Segment Information Schedule of Net Sales by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Net Sales	$ 156,348	$ 150,485
Material Handling
Segment Reporting Information [Line Items]
Net Sales	112,280	106,677
Distribution
Segment Reporting Information [Line Items]
Net Sales	44,105	43,883
Intra-segment Elimination [Member]
Segment Reporting Information [Line Items]
Net Sales	$ (37)	$ (75)