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Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 178,755	$ 178,783
Currency Translation	(6,714)	(1,655)
Accumulated Amortization	(75,179)	(60,997)
Net	96,862	116,131
Acquired Intangible Assets
Gross	195,355	195,383
Currency Translation	(6,829)	(1,350)
Net	113,347	133,036
Tradenames
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	16,600	16,600
Currency Translation	(115)	305
Net	16,485	16,905
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	113,283	113,301
Currency Translation	(4,520)	(621)
Accumulated Amortization	(38,160)	(28,789)
Net	70,603	83,891
Product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	46,501	46,501
Currency Translation	(1,677)	(737)
Accumulated Amortization	(23,563)	(19,841)
Net	21,261	25,923
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	5,227	5,227
Currency Translation	(390)	(262)
Accumulated Amortization	(1,980)	(1,504)
Net	2,857	3,461
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	13,744	13,754
Currency Translation	(127)	(35)
Accumulated Amortization	(11,476)	(10,863)
Net	$ 2,141	$ 2,856

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