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Related Party Transactions	6 Months Ended
	Jun. 30, 2017
Related Party Transactions [Abstract]
Related Party Transactions	NOTE P – RELATED PARTY TRANSACTIONS On January 3, 2017, the Company purchased 1,834 shares of the Company from Officers at a price per share of $58.58, which was calculated from a 30-day average of market price in connection with the vesting of equity awards.  The Audit Committee of the Board of Directors approved this transaction.    On May 9, 2017, the Company purchased 2,500 shares of the Company from an Officer at a price per share of $52.05, which was calculated from a 30-day average of market price in connection with the vesting of equity awards.  The Audit Committee of the Board of Directors approved this transaction.

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- Definition

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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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