Other Income, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Component of Other Income, Nonoperating [Line Items]
Write-off of deferred financing costs	$ 321	$ 0	$ 2,337
Gain on sale of fixed assets	4,683	15,430	10,216
Miscellaneous (expense) income, net	(94)	395	880
Total other income, net	4,589	15,825	11,096
Prior Credit Agreement Which Has Been Terminated or Replaced | Revolving Credit Facility
Component of Other Income, Nonoperating [Line Items]
Write-off of deferred financing costs	$ 300