Reorganization and Realignment Costs G&A Realignment - May 2017 Plan (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Restructuring Cost and Reserve
Reorganization and realignment costs	$ 3,570	$ 3,124	$ 4,368	$ 5,750
G&A Realignment – May 2017 Plan
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	1,700		1,700
Restructuring and Related Cost, Incurred Cost	2,683	2,016	3,285	4,551
Restructuring and Related Cost, Cost Incurred to Date	25,714		25,714
Reorganization and realignment costs	3,517	3,120	4,299	5,746
Restructuring Charges, Cost Incurred to Date	34,747		34,747
G&A Realignment – May 2017 Plan \| Severance and related employee costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	100		100
Restructuring and Related Cost, Incurred Cost	2,130	1,052	2,602	3,111
Restructuring and Related Cost, Cost Incurred to Date	21,355		21,355
G&A Realignment – May 2017 Plan \| Recruitment and relocation costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	1,000		1,000
Restructuring and Related Cost, Incurred Cost	482	360	596	508
Restructuring and Related Cost, Cost Incurred to Date	2,162		2,162
G&A Realignment – May 2017 Plan \| Third-party and other costs
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	100		100
Restructuring and Related Cost, Incurred Cost	71	604	87	932
Restructuring and Related Cost, Cost Incurred to Date	2,197		2,197
G&A Realignment – May 2017 Plan \| Share based compensation
Restructuring Cost and Reserve
Restructuring and Related Cost, Expected Cost Remaining	500		500
Restructuring and Related Cost, Incurred Cost	834	1,104	1,014	1,195
Restructuring and Related Cost, Cost Incurred to Date	7,698		7,698
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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