Restructuring expenses (Details) $ in Thousands	12 Months Ended
	Jul. 01, 2017 USD ($)
Fiscal Year 2017 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	$ 41,719
Cash payments	(22,214)
Non-cash amounts	(7,417)
Other, principally foreign currency translation	174
Ending Balance	12,262
Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	10,987
Cash payments	(6,034)
Changes in estimates, net	(2,124)
Other, principally foreign currency translation	(38)
Ending Balance	2,791
Fiscal Year 2015 And Prior Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	4,500
Ending Balance	1,900
Employee Severance | Fiscal Year 2017 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	36,073
Cash payments	(20,118)
Non-cash amounts	(3,939)
Other, principally foreign currency translation	170
Ending Balance	12,186
Employee Severance | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	9,854
Cash payments	(5,742)
Changes in estimates, net	(1,574)
Other, principally foreign currency translation	(37)
Ending Balance	2,501
Facility Closing | Fiscal Year 2017 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	668
Cash payments	(596)
Other, principally foreign currency translation	4
Ending Balance	76
Facility Closing | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	1,130
Cash payments	(289)
Changes in estimates, net	(550)
Other, principally foreign currency translation	(1)
Ending Balance	290
Asset Impairments | Fiscal Year 2017 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	3,478
Non-cash amounts	(3,478)
Other Restructuring | Fiscal Year 2017 Restructuring Liabilities
Activity related to the restructuring reserves
Restructuring expenses	1,500
Cash payments	(1,500)
Other Restructuring | Fiscal Year 2016 Restructuring Liabilities
Activity related to the restructuring reserves
Beginning Balance	3
Cash payments	$ (3)