Reorganization and Realignment Costs G&A Realignment - May 2017 Plan (Details) - 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
Reorganization and realignment costs	$ 403	$ 941	$ 4,771	$ 6,691
G&A Realignment – May 2017 Plan
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	2,700		2,700
Restructuring and Related Cost, Incurred Cost	297	296	3,582	4,847
Restructuring and Related Cost, Cost Incurred to Date	26,011		26,011
Reorganization and realignment costs	396	629	4,695	6,375
Restructuring Charges, Cost Incurred to Date	35,143		35,143
G&A Realignment – May 2017 Plan \| Severance and related employee costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	1,900		1,900
Restructuring and Related Cost, Incurred Cost	214	57	2,816	3,168
Restructuring and Related Cost, Cost Incurred to Date	21,569		21,569
G&A Realignment – May 2017 Plan \| Recruitment and relocation costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	450		450
Restructuring and Related Cost, Incurred Cost	58	200	654	708
Restructuring and Related Cost, Cost Incurred to Date	2,220		2,220
G&A Realignment – May 2017 Plan \| Third-party and other costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	50		50
Restructuring and Related Cost, Incurred Cost	25	39	112	971
Restructuring and Related Cost, Cost Incurred to Date	2,222		2,222
G&A Realignment – May 2017 Plan \| Share based compensation
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	300		300
Restructuring and Related Cost, Incurred Cost	99	333	1,113	1,528
Restructuring and Related Cost, Cost Incurred to Date	7,797		7,797
G&A Realignment – May 2017 Plan \| Termination of defined benefit plans
Restructuring Cost and Reserve
Restructuring and Related Cost, Incurred Cost	0	$ 0	0	$ 0
Restructuring and Related Cost, Cost Incurred to Date	1,335		1,335
G&A Realignment – May 2017 Plan \| Minimum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost	35,000		35,000
G&A Realignment – May 2017 Plan \| Maximum
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost	$ 38,000		$ 38,000

Amount of costs incurred to date for the specified restructuring cost.

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