Stock Repurchases (Details) (USD $)	0 Months Ended	3 Months Ended	13 Months Ended
	May 02, 2012	Mar. 31, 2012 Y	Feb. 09, 2012
Stock Repurchases [Abstract]
Amount of authorized repurchase of outstanding common stock			$ 100,000,000
Maximum prevailing market price period, years		2
Common stock repurchased, Shares Outstanding	956,091
Common stock repurchased	35,000,000	19,781,000
Stock Repurchases During Period Value	$ 35,000,000	$ 19,781,000