CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Oct. 29, 2016	Oct. 24, 2015
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 4,109	$ 4,430
Other comprehensive income:
Amortization of pension actuarial loss, net of tax	267	284
Comprehensive income	$ 4,376	$ 4,714