Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ (22,606)	$ (10,974)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance as of December 31, 2019	(80,267)
Foreign currency translation adjustments	(20,325)	(8,840)
Interest rate swap adjustments (1)	(2,320)	$ (2,134)
Other comprehensive loss	(22,606)
Balance as of March 29, 2020	(102,873)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance as of December 31, 2019	(53,848)
Balance as of March 29, 2020	(74,173)
Pension, net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	39
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance as of December 31, 2019	(19,513)
Balance as of March 29, 2020	(19,474)
Derivative
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance as of December 31, 2019	(6,906)
Balance as of March 29, 2020	$ (9,226)