Restructuring, integration and other charges (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Charges related to the acquisition and integration activities [Abstract]
Pre-tax restructuring, integration and other expenses	$ 28,442	$ 24,906	$ 40,541	$ 62,314
Fiscal Year 2014 [Member]
Charges related to the acquisition and integration activities [Abstract]
Restructuring costs	21,188		26,904
Integration costs	4,311		8,468
Other costs including acquisition costs	1,488		4,541
Changes in estimate for prior and current year restructuring reserves	1,455		628
Pre-tax restructuring, integration and other expenses	28,442		40,541
After tax restructuring, integration and other expenses	$ 21,746		$ 30,597
Restructuring integration and other charges per share on diluted basis	$ 0.15		$ 0.22