Pension and Other Postretirement Benefit Plans (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 27, 2013	Dec. 28, 2012	Dec. 27, 2013	Dec. 28, 2012
Components of Net Periodic Benefit Cost [Abstract]
Reclassified benefit plan adjustments from accumulated other comprehensive loss	$ 528,000	$ 652,000	$ 978,000	$ 1,320,000
Tax on reclassified benefit plan adjustments from accumulated other comprehensive loss	354,000	375,000	706,000	759,000
Pension Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	135,000	49,000	267,000	93,000
Interest cost	1,356,000	1,311,000	2,711,000	2,619,000
Expected return on plan assets	(1,648,000)	(1,580,000)	(3,294,000)	(3,151,000)
Amortization of transition obligation	19,000	(11,000)	38,000	(22,000)
Amortization of net loss	714,000	846,000	1,427,000	1,691,000
Net periodic benefit cost	576,000	615,000	1,149,000	1,230,000
Expected contributions to its pension plan in 2014	2,643,000		2,643,000
Contributions made during period			1,281,000
Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	9,000	9,000	19,000	17,000
Interest cost	164,000	191,000	329,000	383,000
Amortization of net loss	151,000	197,000	301,000	395,000
Net periodic benefit cost	$ 324,000	$ 397,000	$ 649,000	$ 795,000