Pension and Other Postretirement Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 26, 2014	Sep. 27, 2013
Components of Net Periodic Benefit Cost [Abstract]
Benefit plan adjustments reclassified from accumulated other comprehensive loss	$ 488	$ 530
Tax on reclassified benefit plan adjustments from accumulated other comprehensive loss	290	352
Pension Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	119	133
Interest cost	1,222	1,355
Expected return on plan assets	(1,681)	(1,647)
Amortization of transition obligation	9	19
Amortization of net actuarial loss	609	713
Net periodic benefit cost	278	573
Expected contributions to its pension plan in 2015	6,172
Contributions made during period	3,950
Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	8	10
Interest cost	145	165
Amortization of net actuarial loss	159	150
Net periodic benefit cost	$ 312	$ 325