Reorganization and Reorganization Costs G&A Realignment Accrual Rollforward (Details) - G&A Realignment - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Restructuring Cost and Reserve
Beginning balance	$ 7,324	$ 12,270
Charges	6,535	5,893	$ 16,536
Payments	(8,500)	(10,839)
Ending balance	5,359	7,324	12,270
Severance and related employee costs
Restructuring Cost and Reserve
Beginning balance	7,241	12,093
Charges	5,485	3,797	14,956
Payments	(7,450)	(8,649)
Ending balance	5,276	7,241	12,093
Recruitment and relocation costs
Restructuring Cost and Reserve
Beginning balance	83	177
Charges	950	1,077	489
Payments	(950)	(1,171)
Ending balance	83	83	177
Third-party and other costs
Restructuring Cost and Reserve
Beginning balance	0	0
Charges	100	1,019	1,091
Payments	(100)	(1,019)
Ending balance	0	0	$ 0
Accrued Liabilities
Restructuring Cost and Reserve
Beginning balance	6,280
Ending balance	4,504	6,280
Other liabilities
Restructuring Cost and Reserve
Beginning balance	1,044
Ending balance	$ 855	$ 1,044