Restructuring and Other Charges (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	$ 5,074	$ 14,225	$ 2,387
Fleet Management Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	3,550	4,817	515
Dedicated Transportation Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	22	250	154
Supply Chain Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	278	7,033	797
Central Support Services
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	$ 1,224	$ 2,125	$ 921