Income Taxes - Income Tax Recon (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Income Tax Reconciliation [Abstract]
Statutory rate applied to pre-tax income	$ 20,370	$ 22,600	$ 9,970
State taxes, net of federal tax benefit	2,271	2,766	659
Non-deductible and Non-taxable items	366	208	1,517
Change in accruals for uncertain tax positions	153	93	53
Valuation allowance of deferred tax asset	0	(313)	0
Other items, net	(149)	(171)	178
Total	$ 23,011	$ 25,183	$ 12,377