Related Party Transactions	9 Months Ended
Sep. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions	NOTE R – RELATED PARTY TRANSACTIONS On February 6, 2019, the Company purchased 36,413 shares of the Company from current Officers at a price per share of $56.44, which was calculated from a 30-day average market price in connection with the vesting of equity awards. The Audit Committee of the Board of Directors approved this transaction. On July 2, 2019, the Company purchased 952 shares of the Company from a retired Officer at a price per share of $51.20, which was calculated from a 30-day average market price in connection with the vesting of equity awards. The Audit Committee of the Board of Directors approved this transaction.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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