Subsequent Events (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	10 Months Ended	0 Months Ended	2 Months Ended
	Mar. 08, 2013	Dec. 31, 2013	Feb. 07, 2014 Subsequent Event [Member]	Feb. 25, 2014 Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchased and Retired During Period, Shares		645,000		75,203
Stock Repurchased and Retired During Period, Average Price Per Share				$ 39.20
Stock Repurchase Program, Authorized Amount	$ 50		$ 50