Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 103,583	$ 4,988
Acquisitions		98,667
Working capital adjustment	500
Measure period adjustment	4,504
Currency translation	282	(72)
Goodwill, Ending Balance	108,869	103,583
Hydraulics [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	2,214	2,286
Acquisitions		0
Working capital adjustment	0
Measure period adjustment	0
Currency translation	282	(72)
Goodwill, Ending Balance	2,496	2,214
Electronics [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	101,369	2,702
Acquisitions		98,667
Working capital adjustment	500
Measure period adjustment	4,504
Currency translation	0	0
Goodwill, Ending Balance	$ 106,373	$ 101,369