Restructuring, integration and other expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2015
Restructuring Cost and Reserve [Line Items]
Fiscal 2015 restructuring expenses	$ 58,677
Activity related to the restructuring reserves
Restructuring expenses	58,677
Cash payments	(15,732)
Non-cash amounts	(23,805)
Other, principally foreign currency translation	(4,674)
Ending Balance	14,466
Fiscal Year 2014 [Member]
Activity related to the restructuring reserves
Beginning Balance	27,785
Cash payments	(19,256)
Changes in estimates, net	413
Non-cash amounts	(916)
Other, principally foreign currency translation	(1,980)
Ending Balance	6,046
Employee Severance | Fiscal Year 2015 [Member]
Restructuring Cost and Reserve [Line Items]
Fiscal 2015 restructuring expenses	25,889
Activity related to the restructuring reserves
Restructuring expenses	25,889
Cash payments	(10,132)
Other, principally foreign currency translation	(4,501)
Ending Balance	11,256
Employee Severance | Fiscal Year 2014 [Member]
Activity related to the restructuring reserves
Beginning Balance	23,744
Cash payments	(17,772)
Changes in estimates, net	322
Non-cash amounts	(92)
Other, principally foreign currency translation	(1,664)
Ending Balance	4,538
Facility Closing | Fiscal Year 2015 [Member]
Restructuring Cost and Reserve [Line Items]
Fiscal 2015 restructuring expenses	8,823
Activity related to the restructuring reserves
Restructuring expenses	8,823
Cash payments	(5,431)
Other, principally foreign currency translation	(182)
Ending Balance	3,210
Facility Closing | Fiscal Year 2014 [Member]
Activity related to the restructuring reserves
Beginning Balance	3,697
Cash payments	(1,483)
Changes in estimates, net	91
Non-cash amounts	(824)
Other, principally foreign currency translation	(316)
Ending Balance	1,165
Asset Impairments | Fiscal Year 2015 [Member]
Restructuring Cost and Reserve [Line Items]
Fiscal 2015 restructuring expenses	18,170
Activity related to the restructuring reserves
Restructuring expenses	18,170
Cash payments	(169)
Non-cash amounts	(18,010)
Other, principally foreign currency translation	9
Other Restructuring | Fiscal Year 2015 [Member]
Restructuring Cost and Reserve [Line Items]
Fiscal 2015 restructuring expenses	5,795
Activity related to the restructuring reserves
Restructuring expenses	5,795
Non-cash amounts	(5,795)
Other Restructuring | Fiscal Year 2014 [Member]
Activity related to the restructuring reserves
Beginning Balance	344
Cash payments	(1)
Ending Balance	$ 343