Other Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 25, 2015	Jul. 26, 2014	Jul. 27, 2013
Other Income and Expenses [Abstract]
Gain on sale of fixed assets	$ 7,110	$ 10,706	$ 4,683
Miscellaneous income, net	1,181	522	227
Write-off of deferred financing costs	0	0	(321)
Total other income, net	$ 8,291	$ 11,228	$ 4,589