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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In February 2014, the Company’s Board of Directors approved an extension and expansion to the Company’s ongoing share repurchase program. Under the updated plan, the Company is authorized to repurchase up to $300.0 million of its outstanding shares through the end of 2016. Included in the $300.0 million is approximately $43.0 million remaining to be repurchased under its previous $300.0 million share repurchase program, which was authorized in August 2011 and was scheduled to expire in August 2014.