Guarantees - Narrative (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Guarantor Obligations [Line Items]
Outstanding standby letters of credit	$ 35,700	$ 27,900
Restructuring plans	26,737	29,403
Debt instrument, collateral amount	185,400	180,900
Letter of credit
Guarantor Obligations [Line Items]
Customer performance guarantee	22,800	14,200
Value added tax license	300	400
Property leases	5,900	5,900
Restructuring plans	6,100
Credit cards	500	500
Suppliers	100
Pre-Acquisition restructuring plans		6,800
Other liabilities		100
Letter of credit | Banker's guarantees or performance bonds
Guarantor Obligations [Line Items]
Maximum borrowing capacity	50,000	50,000
Line of credit, outstanding	$ 13,800	$ 4,100