Other Comprehensive Income - Reclassification from accumulated other comprehensive income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swap contracts	$ 1,566	$ 1,107	$ 3,147	$ 2,136
Tax benefit	9,787	8,307	18,165	14,705
Total amounts reclassified, net of tax	16,343	12,867	29,953	24,372
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total amounts reclassified, net of tax	364		728
Accumulated Defined Benefit Plans Adjustment [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net loss	453		906
Tax benefit	(170)		(340)
Total amounts reclassified, net of tax	283		566
Interest Rate Swap [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest rate swap contracts	134		260
Tax benefit	(53)		(98)
Total amounts reclassified, net of tax	$ 81		$ 162