Segment Information Schedule of Income Before Income Taxes by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Segment Reporting Information [Line Items]
Operating income	$ 19,742	$ 11,286	$ 26,458	$ 20,169
Interest Expense	(2,467)	(1,667)	(5,169)	(3,251)
Income from continuing operations before income taxes	17,275	9,619	21,289	16,918
Material Handling
Segment Reporting Information [Line Items]
Operating income	20,846	11,533	34,253	24,305
Distribution
Segment Reporting Information [Line Items]
Operating income	4,508	5,053	7,999	8,583
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (5,612)	$ (5,300)	$ (15,794)	$ (12,719)