Segment Information Schedule of Income Before Income Taxes by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Operating income	$ (2,678)	$ 12,265	$ 17,491	$ 34,998
Interest Expense	(2,637)	(1,113)	(5,888)	(3,309)
Income (loss) from continuing operations before income taxes	(5,315)	11,152	11,603	31,689
Material Handling
Segment Reporting Information [Line Items]
Operating income	(426)	12,085	23,879	36,925
Distribution
Segment Reporting Information [Line Items]
Operating income	4,133	6,287	12,716	17,617
Corporate
Segment Reporting Information [Line Items]
Operating income	$ (6,385)	$ (6,107)	$ (19,104)	$ (19,544)