Restructuring, integration and other charges (Details) (USD $)	3 Months Ended							12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Jan. 01, 2011	Jun. 30, 2012	Jul. 02, 2011	Jul. 03, 2010
Charges related to the acquisition and integration activities
Reversal of excess prior year restructuring reserves					$ 3,600,000		$ 3,500,000
Pre-tax restructuring, integration and other charges	20,500,000	18,600,000	34,500,000	28,100,000	7,300,000	16,300,000	29,100,000	73,585,000	77,176,000	25,419,000
After tax restructuring, integration and other charges	15,700,000	13,700,000	23,600,000	20,200,000	5,800,000	11,900,000	20,800,000
Restructuring , integration and other charges per share on a diluted basis	$ 0.11	$ 0.10	$ 0.16	$ 0.13	$ 0.04	$ 0.08	$ 0.14
Fiscal 2012 [Member]
Charges related to the acquisition and integration activities
Restructuring charges								50,253,000
Integration costs								9,392,000
Acquisition costs								10,561,000
Reversal of excess prior year restructuring reserves								(3,286,000)
Other								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 Year 2011 [Member]
Charges related to the acquisition and integration activities
Restructuring charges									47,763,000
Integration 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
Fiscal Year 2010 [Member]
Charges related to the acquisition and integration activities
Restructuring charges										15,991,000
Integration costs										2,931,000
Value added tax exposure										6,477,000
Reversal of excess prior year restructuring reserves										(3,241,000)
Other										3,261,000
Pre-tax restructuring, integration and other charges										25,419,000
After tax restructuring, integration and other charges										$ 18,789,000
Restructuring , integration and other charges per share on a diluted basis										$ 0.12