Reorganization and Realignment Costs G&A Realignment - May 2017 Plan Accrual Rollforward (Details) - G&A Realignment – May 2017 Plan - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018
Restructuring Cost and Reserve
Beginning balance			$ 7,324	$ 12,270
Charges	$ 297	$ 296	3,582	4,847
Payments for Restructuring			(6,908)	(8,868)
Ending balance	3,998	8,249	3,998	8,249
Severance and related employee costs
Restructuring Cost and Reserve
Beginning balance			7,241	12,093
Charges	214	57	2,816	3,168
Payments for Restructuring			(6,216)	(7,103)
Ending balance	3,841	8,158	3,841	8,158
Recruitment and relocation
Restructuring Cost and Reserve
Beginning balance			83	177
Charges	58	200	654	708
Payments for Restructuring			(580)	(794)
Ending balance	157	91	157	91
Other Restructuring
Restructuring Cost and Reserve
Beginning balance			0	0
Charges	25	39	112	971
Payments for Restructuring			(112)	(971)
Ending balance	0	0	0	0
Accrued expenses and other current liabilities
Restructuring Cost and Reserve
Ending balance	3,491	6,817	3,491	6,817
Other Liabilities
Restructuring Cost and Reserve
Ending balance	$ 507	$ 1,432	$ 507	$ 1,432

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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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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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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