Employee Benefit Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 26, 2016	Mar. 28, 2015	Mar. 26, 2016	Mar. 28, 2015
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 943	$ 1,012	$ 2,829	$ 3,036
Expected return on assets	(1,068)	(1,226)	(3,204)	(3,678)
Amortization of net loss	608	504	1,824	1,512
Net periodic pension cost	483	290	1,449	870
SERP
Defined Benefit Plan Disclosure [Line Items]
Interest cost	148	185	444	555
Expected return on assets	0	0	0	0
Amortization of net loss	60	98	180	294
Net periodic pension cost	$ 208	$ 283	$ 624	$ 849