INCOME TAXES - Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 25, 2015	Jul. 26, 2014	Jul. 27, 2013
Federal:
Current	$ 2,424	$ 10,808	$ 17,215
Deferred	13,954	(6,938)	(3,021)
State:
Current	(6,490)	21,043	5,139
Deferred	887	(1,110)	(478)
Income taxes	$ 10,775	$ 23,803	$ 18,855