CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 23, 2016	Apr. 25, 2015	Apr. 23, 2016	Apr. 25, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 33,083	$ 20,258	$ 79,380	$ 50,497
Foreign currency translation gains (losses), net of tax	447	38	91	(688)
Comprehensive income	$ 33,530	$ 20,296	$ 79,471	$ 49,809