Property, Plant and Equipment (Details Textual) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Depreciation expense on property, plant and equipment		$ 46.4	$ 40.5	$ 36.4
Asset impairment charges	$ 4.4
Depreciation expense on railcar assets leased to others		$ 17.6	$ 14.2	$ 14.7