Revenue Recognition - Schedule of Disaggregation of Revenue by Major Market (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation Of Revenue [Line Items]
Net sales	$ 140,560	$ 135,252	$ 293,128	$ 271,824
Consumer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	27,046		44,277
Vehicle [Member]
Disaggregation Of Revenue [Line Items]
Net sales	26,758		52,301
Food and Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales	15,308		52,965
Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	33,971		70,327
Auto AfterMarket [Member]
Disaggregation Of Revenue [Line Items]
Net sales	37,477		73,258
Operating Segments [Member] | Material Handling [Member]
Disaggregation Of Revenue [Line Items]
Net sales	103,130	96,026	219,939	194,508
Operating Segments [Member] | Material Handling [Member] | Consumer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	27,046		44,277
Operating Segments [Member] | Material Handling [Member] | Vehicle [Member]
Disaggregation Of Revenue [Line Items]
Net sales	26,758		52,301
Operating Segments [Member] | Material Handling [Member] | Food and Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales	15,308		52,965
Operating Segments [Member] | Material Handling [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	34,018		70,396
Operating Segments [Member] | Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	37,477	39,258	73,258	77,832
Operating Segments [Member] | Distribution [Member] | Auto AfterMarket [Member]
Disaggregation Of Revenue [Line Items]
Net sales	37,477		73,258
Inter-company [Member]
Disaggregation Of Revenue [Line Items]
Net sales	(47)	$ (32)	(69)	$ (516)
Inter-company [Member] | Industrial [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ (47)		$ (69)