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Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 254,114	$ 252,085
Accumulated Amortization	(114,458)	(95,333)
Currency Translation	(3,118)	(6,870)
Net	136,538	149,882
Acquired Intangible Assets
Gross	278,214	276,185
Currency Translation	(2,791)	(6,956)
Net	160,965	173,896
Tradenames
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	24,100	24,100
Currency Translation	327	(86)
Net	24,427	24,014
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	173,728	171,583
Accumulated Amortization	(65,488)	(51,798)
Currency Translation	(1,316)	(4,141)
Net	106,924	115,644
Product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	56,111	56,011
Accumulated Amortization	(31,655)	(27,819)
Currency Translation	(1,005)	(1,709)
Net	23,451	26,483
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	6,027	6,527
Accumulated Amortization	(2,946)	(2,421)
Currency Translation	(282)	(427)
Net	2,799	3,679
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	18,248	17,964
Accumulated Amortization	(14,369)	(13,295)
Currency Translation	(515)	(593)
Net	$ 3,364	$ 4,076

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