Restructuring and Other Charges Restructuring and Other Charges - Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 7,142	$ 0	$ 8,007	$ 768
Fleet Management Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	5,482	0	6,347	768
Supply Chain Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	1,400	0	1,400	0
Central Support Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 260	$ 0	$ 260	$ 0