Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets By Major Asset Class (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 28, 2020	Dec. 28, 2019
Acquired Definite-Lived Intangible Assets [Line Items]
Gross	$ 252,085	$ 252,085
Accumulated Amortization	(99,937)	(95,333)
Currency Translation	(9,236)	(6,870)
Net	142,912	149,882
Acquired Intangible Assets [Abstract]
Gross	276,185	276,185
Currency Translation	(9,558)	(6,956)
Net	166,690	173,896
Tradenames
Acquired Indefinite-Lived Intangible Assets [Line Items]
Gross	24,100	24,100
Currency Translation	(322)	(86)
Net	23,778	24,014
Customer relationships
Acquired Definite-Lived Intangible Assets [Line Items]
Gross	171,583	171,583
Accumulated Amortization	(55,194)	(51,798)
Currency Translation	(6,077)	(4,141)
Net	110,312	115,644
Product technology
Acquired Definite-Lived Intangible Assets [Line Items]
Gross	56,011	56,011
Accumulated Amortization	(28,776)	(27,819)
Currency Translation	(2,096)	(1,709)
Net	25,139	26,483
Tradenames
Acquired Definite-Lived Intangible Assets [Line Items]
Gross	6,527	6,527
Accumulated Amortization	(2,551)	(2,421)
Currency Translation	(458)	(427)
Net	3,518	3,679
Other
Acquired Definite-Lived Intangible Assets [Line Items]
Gross	17,964	17,964
Accumulated Amortization	(13,416)	(13,295)
Currency Translation	(605)	(593)
Net	$ 3,943	$ 4,076