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Equity (Notes) | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Stockholders' Equity Note Disclosure | Equity Share Repurchases Subject to market conditions, normal trading restrictions, and limitations in our debt covenants, we may make purchases in the open market or through privately negotiated transactions under our stock repurchase program. During the three months ended March 31, 2018, we repurchased 3,095,554 shares of common stock at an aggregate cost of $118.8 million, which is an average cost per share of $38.38. After these repurchases, the remaining dollar value of shares authorized to be purchased under our share repurchase program was approximately $351.4 million at March 31, 2018.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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