CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Oct. 28, 2017	Oct. 29, 2016
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income	$ 3,016	$ 4,109
Other comprehensive income:
Amortization of pension actuarial loss, net of tax	84	267
Comprehensive income	$ 3,100	$ 4,376