CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 25, 2014	Jan. 26, 2013	Jan. 25, 2014	Jan. 26, 2013
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ (3,067)	$ 1,463	$ 15,593	$ 13,323
Foreign currency translation (losses) gains	(226)	11	(286)	13
COMPREHENSIVE INCOME (LOSS)	$ (3,293)	$ 1,474	$ 15,307	$ 13,336