Restructuring, integration and other expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	$ 52,781
Cash payments	(32,550)
Non-cash amounts	(1,632)
Other, principally foreign currency translation	(62)
Ending Balance	18,537
Fiscal Year 2015 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	14,466
Restructuring expenses		$ 58,677
Cash payments	(11,008)
Changes in estimates, net	(2,614)
Other, principally foreign currency translation	2,711
Ending Balance	3,555	14,466
Fiscal Year 2014 And Prior Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	11,800
Restructuring expenses			$ 65,749
Ending Balance	4,000	11,800
Employee Severance | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	45,592
Cash payments	(31,304)
Other, principally foreign currency translation	(67)
Ending Balance	14,221
Employee Severance | Fiscal Year 2015 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	11,256
Cash payments	(9,842)
Changes in estimates, net	(2,092)
Other, principally foreign currency translation	2,800
Ending Balance	2,122	11,256
Facility Closing | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	5,129
Cash payments	(979)
Other, principally foreign currency translation	(57)
Ending Balance	4,093
Facility Closing | Fiscal Year 2015 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	3,210
Cash payments	(1,166)
Changes in estimates, net	(522)
Other, principally foreign currency translation	(89)
Ending Balance	1,433	$ 3,210
Asset Impairments | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	1,254
Non-cash amounts	(1,254)
Other Restructuring | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	806
Cash payments	(267)
Non-cash amounts	(378)
Other, principally foreign currency translation	62
Ending Balance	$ 223