Employee Benefit Plans - Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 943	$ 1,012
Expected return on assets	(1,068)	(1,226)
Amortization of net loss	608	504
Net periodic pension cost	483	290
SERP
Defined Benefit Plan Disclosure [Line Items]
Interest cost	148	185
Expected return on assets	0	0
Amortization of net loss	60	98
Net periodic pension cost	$ 208	$ 283