Restructuring and Related Charges Schedule of Restructuring Cost by Types (Details) $ in Thousands	9 Months Ended
Sep. 25, 2020 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 4,850
Charges for current period	1,803
Cash payments	(3,645)
Others	(197)
Restructuring Reserve	2,811
Excess facilities
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	720
Cash payments	(681)
Others	0
Restructuring Reserve	39
Severance and benefits
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	3,294
Charges for current period	1,679
Cash payments	(2,121)
Others	(161)
Restructuring Reserve	2,691
French VDP
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	806
Charges for current period	77
Cash payments	(766)
Others	(36)
Restructuring Reserve	81
Others
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	30
Charges for current period	47
Cash payments	(77)
Restructuring Reserve	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

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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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