CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Jul. 27, 2019	Jul. 28, 2018
Statement of Comprehensive Income [Abstract]
Net income		$ 25,539	$ 25,080
Other comprehensive income (loss):
Amortization of pension actuarial loss, net of tax	[1]	423	409
Pension remeasurement, net of tax	[2]	(888)	(218)
Pension settlement loss, net of tax	[3]	308	624
Reclassification due to the adoption of ASU 2018-02		0	(1,594)
Total other comprehensive loss		(157)	(779)
Comprehensive income		$ 25,382	$ 24,301

[1] Amounts are net of tax of $182 and $160 for 2019 and 2018, respectively. All amounts are reclassified from accumulated other comprehensive loss to operating and administrative expense.

[2] Amounts are net of tax of $384 and $86 for 2019 and 2018, respectively.

[3] Amounts are net of tax of $133 and $242 for 2019 and 2018, respectively. All amounts are reclassified from accumulated other comprehensive loss to operating and administrative expense.