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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On July 5, 2016, the Company paid the outstanding $250 million aggregate principal amount of its 3.75 percent senior unsecured notes that were due September 1, 2016. The Company will record a loss on extinguishment of the debt of approximately $1.3 million in the third quarter of 2016. On July 21, 2016, the Company’s Board of Directors declared a quarterly dividend of $0.12 per share on its common stock, payable on September 2, 2016, to shareholders of record as of the close of business on August 19, 2016. The total cash payment of this dividend will be approximately $16.5 million.