Reorganization Costs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 26, 2014	Jan. 27, 2013
Reorganization Costs [Roll Forward]
Beginning balance	$ 1,330	$ 16
Reorganization costs	0	13,387
Cash payments	(849)	(12,073)
Ending balance	$ 481	$ 1,330