Defined Contribution Plan, Employer Discretionary Contribution Amount Price Range Per Share Outstanding Represents the description of Price Range Per Share Outstanding, during the indicated time period. Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Unrealized investment loss Amount of deferred tax asset attributable to deductible temporary differences from unrealized investment loss. Employee-related Liabilities, Current Finite-Lived Noncompete Agreements, Gross Income Taxes Receivable, Current Schedule of Income before Income Tax, Domestic and Foreign Common Stock Increase (decrease) in accounts payable Foreign currency translation tax adjustment Deferred tax liability - intangible assets Cash {1} Cash CASH AT BEGINNING OF YEAR CASH AT END OF YEAR Company Revenue Neonatal Total revenue from sales of goods and services in the Neonatal category during the period. Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Construction in Progress, Gross Available-for-sale Securities, Equity Securities Available-for-sale Securities, Equity Securities Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax Allocated Share-based Compensation Expense Property, Plant and Equipment, Type [Axis] Translation of Foreign Currencies Note 8 - Income Taxes Repayments of notes payable Repayments of notes payable Proceeds from issuance of common stock - options (Increase) decrease in accounts receivable (Increase) decrease in accounts receivable Other, net Cost of goods sold Commitments and contingencies Property and equipment - net Property and equipment - net Total current assets Total current assets Company Revenue Blood Pressure Monitoring and Accessories Total revenue from sales of goods and services in the Blood Pressure Monitoring and Accessories category during the period. Company Sales in the United States Total revenue from sales of goods and services to customers in the United States during the period. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Payments Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Income (Loss) from Continuing Operations before Income Taxes, Foreign Deferred Tax Assets, Other Operating Leases, Future Minimum Payments, Due in Four Years JP Morgan Chase London Branch Note Buildings and Improvements, Gross Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax Accrued Income Taxes, Current Property Plant and Equipment by Location Tabular disclosure by location of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Net cash provided by (used in) investing activities Net cash provided by (used in) investing activities Capital expenditures for property and equipment Capital expenditures for property and equipment Provision for (recovery of) losses on accounts receivable Unrealized holding gain (loss) from investments, available-for-sale, net of taxes Unrealized gain (loss) on investments net of taxes of $6, $3, and $(1) Earnings per common share (diluted) Interest expense Interest expense Preferred Stock, Par Value ASSETS Document Type Scenario [Axis] Price Range Per Share Exercised Represents the description of Price Range Per Share Exercised, during the indicated time period. Deferred Tax Liabilities Depreciation and Amortization Deferred Tax Liabilities Depreciation and Amortization Deferred tax liabilities from depreciation and amortization of property, plant, equipment, and intangible assets. Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments Due, Next Twelve Months Debt Instrument, Face Amount Geographical [Axis] Minimum Schedule of Share-based Compensation, Stock Options, Activity Schedule of Effective Income Tax Rate Reconciliation Schedule of Accounts and Other Receivables Income Taxes Notes Deferred income taxes {1} Deferred income taxes Net income Net income Preferred Stock, Shares Issued Entity Filer Category Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Fair Value, Measurement Frequency Finite-Lived Intangible Assets, Amortization Expense, Year Three Maximum Range [Axis] Schedule of Components of Income Tax Expense (Benefit) Tables/Schedules Long-lived Assets Accounts Receivable Tax benefit attributable to appreciation of stock options Dividends paid Dividends paid Increase (decrease) in accrued expenses (Increase) decrease in inventories (Increase) decrease in inventories Stock-based compensation expense Gross profit Gross profit Sales, net Prepaid expenses and other current assets Company Revenue Obstetrics Total revenue from sales of goods and services in the Obstetrics category during the period. Weighted Average Remaining Contractual Life (Years) Represents the Weighted Average Remaining Contractual Life (Years), as of the indicated date. Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Receivable, Current Estimated Litigation Liability Finite-Lived Intangible Assets, Amortization Expense, Year Two Equipment Property and Equipment Note 7 - Commitments and Contingencies Common stock received and retired upon exercise of stock options, shares Common stock received and retired upon exercise of stock options, shares Represents the Common stock received and retired upon exercise of stock options, shares (number of shares), during the indicated time period. Common stock issued upon exercise of employee stock options (Increase) decrease in prepaid expenses and other current assets (Increase) decrease in prepaid expenses and other current assets Amortization Sales and marketing Retained earnings Document Fiscal Period Focus Long-lived assets in England Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets in England. Deferred Income Tax Expense Represents the monetary amount of Deferred Income Tax Expense, during the indicated time period. Machinery and Equipment, Gross Inventory, Work in Process, Gross Effective Income Tax Rate Reconciliation TaxCuts And Jobs Act Of 2017 Transition Tax On Accumulated Foreign Earnings Amount Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. Statement [Table] (Increase) decrease in other receivables (Increase) decrease in other receivables Loss on disposal of assets Loss on disposal of assets Earnings per common shares (basic) Operating expense: Investments, available-for-sale Statement of Financial Position Entity Central Index Key Long-lived assets in Canada Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets in Canada. Company Sales Other Total revenue from sales of goods and services to customers outside of the United States and Europe during the period. England and Australia Segment, Geographical Other Finite-Lived Intangible Assets, Amortization Expense, Year Five Schedule of Finite-Lived Intangible Assets Revenue Recognition Intangible Assets Concentration of Credit Risk Note 11 - Geographic Long-Lived Assets Information Geographic Long-Lived Assets Information. Note 6 - Long-term Debt Payment of taxes for exchange of stock options Payment of taxes for exchange of stock options Represents the monetary amount of Payment of taxes for exchange of stock options, during the indicated time period. Depreciation CASH FLOWS FROM OPERATING ACTIVITIES: Dividend and interest income Preferred Stock, Shares Outstanding Common stock, $.01 par value; 50,000 shares authorized, issued 3,721 shares in 2017 and 3,713 shares in 2016 Entity Well-known Seasoned Issuer Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Deferred Tax Assets, Net Deferred Tax Assets, Net Long-term Debt, Type [Axis] Ireland Fair Value, Measurements, Fair Value Hierarchy Finite-Lived Patents, Gross Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Basic Range Property, Plant and Equipment, Type Schedule Of Geographic Information Schedule Of Geographic Sales Information. Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Deferred Tax Assets and Liabilities Schedule of Future Minimum Rental Payments for Operating Leases Cash and Cash Equivalents Policies Note 1 - Summary of Significant Accounting Policies Balance, shares Balance, shares Balance, shares Statement [Line Items] Accumulated Other Comprehensive Income Tax benefit attributable to exercise of stock options Unrealized gain (loss) on investments tax adjustment Foreign currency translation adjustment Foreign currency translation net of taxes of $0 in all periods Royalty income Other income (expense): Common Stock, Par Value Preferred stock, $.01 par value; 5,000 shares authorized, no shares issued and outstanding Goodwill Current assets: Entity Registrant Name Document and Entity Information: Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Price Range Per Share Total Exercisable Represents the description of Price Range Per Share Total Exercisable, during the indicated time period. Price Range Per Share Expired Represents the description of Price Range Per Share Expired, during the indicated time period. Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Operating Leases, Future Minimum Payments Due Inventory, Raw Materials, Gross Weighted Average Number Diluted Shares Outstanding Adjustment Building and Building Improvements Investments {1} Investments Note 15 - Recent Accounting Pronouncements Common stock issued upon exercise of employee stock options, shares Total comprehensive income Total comprehensive income Common Stock, Shares Issued TOTAL ASSETS TOTAL ASSETS Other intangible assets Other intangible assets Inventories Inventories Entity Common Stock, Shares Outstanding Company Sales in Europe Total revenue from sales of goods and services to customers in Europe during the period. Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price Range 1 U.S. and Canada Finite-Lived Trademarks, Gross Inventory, Finished Goods, Net of Reserves Presentation of Sales and Similar Taxes Presentation of Sales and Similar Taxes. Earnings Per Share Note 9 - Options Stock option compensation expense Stock option compensation expense CASH FLOWS FROM INVESTING ACTIVITIES: Adjustments to reconcile net income to net cash provided by operating activities: Statement of Cash Flows Preferred Stock, Shares Authorized TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Accounts & other receivables - net Entity Current Reporting Status Contractual Obligation Scenario, Unspecified Income (Loss) from Continuing Operations before Income Taxes, Domestic Deferred Tax Assets, Inventory Operating Leases, Future Minimum Payments, Due in Five Years Equity, Fair Value Disclosure Fair Value, Hierarchy [Axis] Regulatory approvals & product certifications Gross carrying amount before accumulated amortization as of the balance sheet date of regulatory approvals and product certifications. Interest Receivable and Other Assets Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Foreign Currency Exchange Rate Translation GBP to USD Foreign exchange rate used to translate amounts denominated in functional currency GBP to reporting currency USD. Schedule Of Long-Lived Assets By Geographic Area Schedule Of Long-lived Assets By Geographic Area. Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range Property, Plant and Equipment Schedule of Available-for-sale Securities Reconciliation Schedule of Accrued Expenses Use of Estimates in The Preparation of Financial Statements Note 3 - Investments Common stock purchased and retired, shares Common stock purchased and retired, shares Additional Paid-In Capitol CASH FLOWS FROM FINANCING ACTIVITIES: General and administrative Income Statement Total current liabilities Total current liabilities Accrued expenses Accrued expenses Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Operating Leases, Future Minimum Payments, Due Thereafter Long-term Debt, Type Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Estimated Litigation Liability, Current Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Accounts Receivable, Gross, Current Finite-Lived Intangible Assets, Amortization Expense, Year Four Property, Plant and Equipment, Useful Life Legal Costs Note 4 - Fair Value Measurements and Financial Instruments Note 2 - Detail of Certain Balance Sheet Accounts Common stock dividends Common stock dividends Statement of Stockholders' Equity Net cash provided by (used in) financing activities Net cash provided by (used in) financing activities Income before provision for income taxes Income before provision for income taxes Common Stock, Shares Outstanding Common Stock, Shares Authorized Additional paid-in capital Accumulated other comprehensive income (loss) Long Term income tax payable Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017, classified as noncurrent. Trading Symbol Entity Voluntary Filers Entity Public Float Long-lived assets in Australia Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets in Australia. Long-lived assets in Ireland Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets in Ireland. Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Operating Leases, Rent Expense, Net JP Morgan Chase Bank NA (Chase) Note Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross TaxCuts And Jobs Act Of 2017 Incomplete Accounting Change In Tax Rate Provisional Income Tax Expense Benefit TaxCuts And Jobs Act Of 2017 Incomplete Accounting Change In Tax Rate Provisional Income Tax Expense Benefit Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. Details Schedule Of Revenues By Product Category Schedule Of Revenues By Product Category. Schedule of Weighted Average Number of Shares Stock-based Compensation Principles of Consolidation Note 14 - Employee Benefit Plans Note 12 - Revenues by Product Category Revenues by Product Category. Equity Component Equity Components [Axis] Common stock purchased and retired Research and development Deferred income taxes LIABILITIES AND STOCKHOLDERS' EQUITY Amendment Flag Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Price Range Per Share Granted Represents the description of Price Range Per Share Granted, during the indicated time period. Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Available-for-sale Securities, Amortized Cost Basis Effect of exchange rate changes on cash Net cash provided by operating activities Net cash provided by operating activities Increase (decrease) in Long-term repatriation tax payable Amount of income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017. Operating income Operating income Total stockholders' equity Total stockholders' equity Balance, value Balance, value Accounts payable Other intangible assets - net Other intangible assets - net Long-lived assets in the United States Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets in the United States. Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts Operating Leases, Future Minimum Payments, Due in Two Years Measurement Frequency [Axis] Fair Value, Inputs, Level 1 Finite-Lived Customer Relationships, Gross Schedule of Inventory, Current Note 13 - Product Sale and Purchase Commitments Product Sale and Purchase Commitments. Cash paid during the year for income taxes Capital expenditures for intangible assets Capital expenditures for intangible assets Other comprehensive income: Stockholders' equity: Other intangible assets - accumulated amortization Other intangible assets - accumulated amortization Document Period End Date Company Revenue Gynecology/Electrosurgery/Urology Total revenue from sales of goods and services in the Gynecology/Electrosurgery/Urology category during the period. Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Range 2 Current Income Tax Expense (Benefit) Land Fair Value, Measurements, Recurring Accounts and Other Receivables, Net, Current Accounts and Other Receivables, Net, Current Foreign Currency Exchange Rate Translation AUD to USD Foreign exchange rate used to translate amounts denominated in functional currency AUD to reporting currency USD. Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Inventories {1} Inventories Note 16 - Subsequent Events Note 10 - Geographic Information Geographic Sales Information. Note 5 - Property and Equipment Common stock received and retired upon exercise of stock options Common stock received and retired upon exercise of stock options Represents the monetary amount of Common stock received and retired upon exercise of stock options, during the indicated time period. Retained Earnings Cash paid during the year for interest NET INCREASE IN CASH AND CASH EQUIVALENTS NET INCREASE IN CASH AND CASH EQUIVALENTS Provision for income taxes Provision for income taxes Total liabilities Total liabilities Current liabilities: Document Fiscal Year Focus Current Fiscal Year End Date