Nature of Operations and Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 178,783	$ 101,743
Currency Translation	(1,655)	(8,073)
Accumulated Amortization	(60,997)	(49,040)
Net	116,131	44,630
Acquired Intangible Assets
Gross	195,383	109,843
Currency Translation	(1,350)	(8,073)
Net	133,036	52,730
Tradenames
Acquired Indefinite-lived Intangible Assets [Line Items]
Gross	16,905	8,100
Currency Translation	305	0
Net	16,600	8,100
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	113,301	59,101
Currency Translation	(621)	(5,202)
Accumulated Amortization	(28,789)	(21,805)
Net	83,891	32,094
Product technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	46,501	27,101
Currency Translation	(737)	(2,052)
Accumulated Amortization	(19,841)	(17,105)
Net	25,923	7,944
Tradenames
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	5,227	4,447
Currency Translation	(262)	(591)
Accumulated Amortization	(1,504)	(1,065)
Net	3,461	2,791
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	13,754	11,094
Currency Translation	(35)	(228)
Accumulated Amortization	(10,863)	(9,065)
Net	$ 2,856	$ 1,801