Pension and Other Postretirement Benefit Plans (Details) (USD $)	3 Months Ended
	Sep. 27, 2013	Sep. 28, 2012
Components of Net Periodic Benefit Cost [Abstract]
Reclassified benefit plan adjustments from accumulated other comprehensive loss	$ 530,000	$ 668,000
Tax on reclassified benefit plan adjustments from accumulated other comprehensive loss	352,000	384,000
Pension Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	133,000	44,000
Interest cost	1,355,000	1,308,000
Expected return on plan assets	(1,647,000)	(1,571,000)
Amortization of transition obligation	19,000	(11,000)
Amortization of net loss	713,000	845,000
Net periodic benefit cost	573,000	615,000
Expected contributions to its pension plan in 2014	2,643,000
Contributions made during period	610,000
Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	10,000	8,000
Interest cost	165,000	192,000
Amortization of net loss	150,000	198,000
Net periodic benefit cost	$ 325,000	$ 398,000