Segment Information Schedule of Income Before Income Taxes by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Operating income	$ 11,286	$ 12,621	$ 20,169	$ 22,733
Interest Expense	(1,667)	(1,119)	(3,251)	(2,196)
Income from continuing operations before income taxes	9,619	11,502	16,918	20,537
Material Handling
Segment Reporting Information [Line Items]
Operating income	11,533	13,358	24,305	24,840
Distribution
Segment Reporting Information [Line Items]
Operating income	5,053	6,043	8,583	11,330
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (5,300)	$ (6,780)	$ (12,719)	$ (13,437)