Shareholders' Equity (Narrative) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 30, 2011
Shareholders' Equity [Abstract]
Shares repurchased and retired, shares	7,978	0	0
Shares repurchased and retired, average price	$ 9.90
Shares repurchased and retired, total cost	$ 79,006
Share repurchase program, total authorization (shares)	70,025
Share repurchase program, remaining authorization (shares)	21,194