Stock Repurchase (Details) (USD $) In Millions, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 07, 2012	Jul. 29, 2012	Oct. 28, 2012	Feb. 01, 2009	Jan. 28, 2007	Apr. 25, 2012	Aug. 13, 2008	Mar. 23, 2006
Equity, Class of Treasury Stock [Line Items]
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options			$ 4.0
Number of shares authorized (in shares)	700,000		700,000			500,000	200,000	200,000
Shares purchased (in shares)	0	34,407	584,928	22,197	3,337
Remaining number of shares authorized to be repurchased (in shares)	89,538
Number of shares authorized for repurchase by broker (in shares)	175,000		175,000