Reorganization Costs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 27, 2013	Jan. 29, 2012
Reorganizations [Abstract]
Beginning balance	$ 16	$ 0
Reorganization costs	(13,387)	(1,981)
Cash payments	12,073	1,965
Ending balance	$ 1,330	$ 16