Other Comprehensive Income - Reclassification from accumulated other comprehensive income (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swap contracts	$ (1,627)	$ (1,795)
Tax benefit (expense)	(9,988)	(8,687)
Reclassification out of accumulated other comprehensive income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total amounts reclassified, net of tax	390	466
Pension benefit liability | Reclassification out of accumulated other comprehensive income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax benefit (expense)	(254)	(228)
Amortization of net loss	677	609
Total amounts reclassified, net of tax	423	381
Interest rate swap | Derivative financial instruments | Reclassification out of accumulated other comprehensive income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swap contracts	(53)	138
Tax benefit (expense)	20	(53)
Total amounts reclassified, net of tax	$ (33)	$ 85