Restructuring, integration and other charges (Details) (USD $)	3 Months Ended							12 Months Ended
	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 29, 2013	Jun. 30, 2012	Jul. 02, 2011
Charges related to the acquisition and integration activities
Pre-tax restructuring, integration and other charges	$ 59,800,000	$ 27,300,000	$ 24,900,000	$ 37,400,000	$ 20,500,000	$ 18,600,000	$ 34,500,000	$ 149,501,000	$ 73,585,000	$ 77,176,000
After tax restructuring, integration and other charges	43,600,000	25,800,000	19,900,000	27,100,000	15,700,000	13,700,000	23,600,000
Restructuring , integration and other charges per share on a diluted basis	$ 0.31	$ 0.18	$ 0.14	$ 0.19	$ 0.11	$ 0.10	$ 0.16
Fiscal 2013 [Member]
Charges related to the acquisition and integration activities
Restructuring charges								120,048,000
Business Combination, Integration Related Costs								35,742,000
Acquisition costs								(3,224,000)
Reversal of excess prior year restructuring reserves								(3,065,000)
Pre-tax restructuring, integration and other charges								149,501,000
After tax restructuring, integration and other charges								116,382,000
Restructuring , integration and other charges per share on a diluted basis								$ 0.83
Fiscal 2012 [Member]
Charges related to the acquisition and integration activities
Restructuring charges									50,253,000
Business Combination, Integration Related Costs									9,392,000
Acquisition costs									10,561,000
Reversal of excess prior year restructuring reserves									(3,286,000)
Prior year acquisition adjustments									6,665,000
Pre-tax restructuring, integration and other charges									73,585,000
After tax restructuring, integration and other charges									52,963,000
Restructuring , integration and other charges per share on a diluted basis									$ 0.35
Fiscal 2011 [Member]
Charges related to the acquisition and integration activities
Restructuring charges										47,763,000
Business Combination, Integration Related Costs										25,068,000
Acquisition costs										15,597,000
Reversal of excess prior year restructuring reserves										(6,076,000)
Prior year acquisition adjustments										(5,176,000)
Pre-tax restructuring, integration and other charges										77,176,000
After tax restructuring, integration and other charges										$ 56,169,000
Restructuring , integration and other charges per share on a diluted basis										$ 0.36