Restructuring and Other Charges Restructuring and Other Charges - Segments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 74	$ 0	$ 8,081	$ 768
Fleet Management Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	74	0	6,421	768
Supply Chain Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	0	0	1,400	0
Central Support Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges (recoveries), net	$ 0	$ 0	$ 260	$ 0