Employee Benefit Plans - Components of Net Periodic Benefit Cost (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 1,012	$ 992
Expected return on assets	(1,226)	(1,159)
Amortization of net loss	504	409
Net periodic pension cost	290	242
Supplemental Executive Retirement Plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	185	189
Expected return on assets	0	0
Amortization of net loss	98	36
Net periodic pension cost	$ 283	$ 225