Restructuring, integration and other expenses (Restructuring, Integration and Other Expenses) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Charges related to the acquisition and integration activities
Restructuring, integration and other expenses before tax	$ 94,623	$ 149,501	$ 73,585
Fiscal 2014 [Member]
Charges related to the acquisition and integration activities
Restructuring expenses	65,749
Integration costs	20,455
Other costs including acquisition costs	8,767
Changes in estimate for prior year restructuring liabilities	(348)
Restructuring, integration and other expenses before tax	94,623
Restructuring, integration and other expenses after tax	70,773
Restructuring, integration and other expenses per share on a diluted basis	$ 0.50
Fiscal 2013 [Member]
Charges related to the acquisition and integration activities
Restructuring expenses		120,048
Integration costs		35,742
Other costs including acquisition costs		(3,224)
Changes in estimate for prior year restructuring liabilities		(3,065)
Restructuring, integration and other expenses before tax		149,501
Restructuring, integration and other expenses after tax		116,382
Restructuring, integration and other expenses per share on a diluted basis		$ 0.83
Fiscal 2012 [Member]
Charges related to the acquisition and integration activities
Restructuring expenses			50,253
Integration costs			9,392
Other costs including acquisition costs			17,226
Changes in estimate for prior year restructuring liabilities			(3,286)
Restructuring, integration and other expenses before tax			73,585
Restructuring, integration and other expenses after tax			$ 52,963
Restructuring, integration and other expenses per share on a diluted basis			$ 0.35