Restructuring expenses (Details) $ in Thousands	3 Months Ended
Sep. 29, 2018 USD ($)
Fiscal Year 2019 Restructuring Liabilities Member
Activity related to the restructuring reserves
Restructuring expenses	$ 7,533
Cash payments	(2,030)
Ending Balance	5,503
Fiscal Year 2018 And Prior Restructuring Liabilities Member
Activity related to the restructuring reserves
Beginning Balance	29,224
Cash payments	(18,559)
Changes in estimates, net	(235)
Non-cash amounts	(416)
Other, principally foreign currency translation	(272)
Ending Balance	9,742
Employee Severance \| Fiscal Year 2019 Restructuring Liabilities Member
Activity related to the restructuring reserves
Restructuring expenses	7,183
Cash payments	(1,983)
Ending Balance	5,200
Employee Severance \| Fiscal Year 2018 And Prior Restructuring Liabilities Member
Activity related to the restructuring reserves
Beginning Balance	25,918
Cash payments	(17,936)
Changes in estimates, net	(235)
Other, principally foreign currency translation	(245)
Ending Balance	7,502
Facility Closing \| Fiscal Year 2019 Restructuring Liabilities Member
Activity related to the restructuring reserves
Restructuring expenses	350
Cash payments	(47)
Ending Balance	303
Facility Closing \| Fiscal Year 2018 And Prior Restructuring Liabilities Member
Activity related to the restructuring reserves
Beginning Balance	2,890
Cash payments	(623)
Other, principally foreign currency translation	(27)
Ending Balance	2,240
Asset Impairments \| Fiscal Year 2018 And Prior Restructuring Liabilities Member
Activity related to the restructuring reserves
Beginning Balance	416
Non-cash amounts	$ (416)

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of decrease in the reserve for full or partial settlement through consideration other than cash.

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Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

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