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Share repurchases	6 Months Ended
	Jun. 30, 2016
Equity [Abstract]
Share Repurchases	12. Share repurchases During the six months ended June 30, 2016, the Company repurchased a total of 3,690 shares of its common stock for $249,481, or an average price of $67.61 per share. On July 13, 2016, the Company’s Board of Directors approved an additional share repurchase authorization in the amount of $1,240,748. This recently approved share repurchase is in addition to the $259,252 remaining at that time under the Company’s Board of Directors’ prior share repurchase authorization announced in April 2015. As a result, the Company has a total of $1,500,000 available under the current Board authorizations for additional repurchases as of August 8, 2016. These share repurchase authorizations have no expiration dates. However, the Company is subject to share repurchase limitations under the terms of its Senior Secured Credit Facilities and the indentures governing its Senior Notes.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

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