Income Taxes	9 Months Ended
Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income Taxes	NOTE J - Income Taxes The effective tax rate for the third quarter of 2019 was 21.8% compared to 18.5% in the third quarter of 2018. The effective tax rate for the first nine months of 2019 was 23.0% compared to 21.4% in the same period of 2018. The lower tax rate in the third quarter of 2018 was due to a one-time reduction in tax liability related to extended warranty contracts and higher realized R&D credits.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-URI http://asc.fasb.org/topic&trid=2144680

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