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Share repurchases	3 Months Ended
	Mar. 31, 2016
Equity [Abstract]
Share Repurchases	12. Share repurchases During the three months ended March 31, 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 April 14, 2015, the Company’s Board of Directors approved additional share repurchases in the amount of $725,944. These share repurchases are in addition to the $274,056 remaining at that time under the Company’s Board of Directors’ prior share repurchase approval announced in November 2010. As a result of these transactions, the Company now has a total of $259,252 available under the current Board authorizations for additional repurchases as of April 29, 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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