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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On February 8, 2017, the Company's Board of Directors authorized the repurchase of up to 15.0 million shares of the Company's outstanding shares of common stock in the open market or through privately negotiated transactions. The authorization will expire on February 8, 2019. On February 9, 2017, the Company’s Board of Directors declared a quarterly dividend of $0.15 per share on its common stock, payable on March 10, 2017, to shareholders of record as of the close of business on February 24, 2017. The total cash payment of this dividend will be approximately $20.5 million.