Goodwill and Other Intangible Assets, Net - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 29, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Gross balance at beginning of period		$ 367,969
Accumulated impairment		(16,252)
Net balance at beginning of period	$ 351,717
Additions	0
Impairments	0
Foreign currency translation	(3,230)
Net balance at end of period	348,487
Distribution
Goodwill [Roll Forward]
Gross balance at beginning of period		149,204
Accumulated impairment		0
Net balance at beginning of period	149,204
Additions	0
Impairments	0
Foreign currency translation	0
Net balance at end of period	149,204
Aerospace
Goodwill [Roll Forward]
Gross balance at beginning of period		218,765
Accumulated impairment		$ (16,252)
Net balance at beginning of period	202,513
Additions	0
Impairments	0
Foreign currency translation	(3,230)
Net balance at end of period	$ 199,283