CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Jul. 30, 2016	Jul. 25, 2015	Jul. 26, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income		$ 25,044	$ 30,620	$ 5,045
Other comprehensive income (loss):
Amortization of pension actuarial loss, net of tax		892	768	475	[1]
Pension adjustment to funded status, net of tax	[2]	(7,973)	(5,177)	(4,473)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, Net of Tax		10,616	0	0
Total other comprehensive income (loss)		3,535	(4,409)	(3,998)
Comprehensive income		$ 28,579	$ 26,211	$ 1,047

[1] Amounts are net of tax of $612, $527 and $329 for 2016, 2015 and 2014, respectively.

[2] Amounts are net of tax of $5,478, $3,559 and $3,238 for 2016, 2015 and 2014, respectively.