Leasing (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Capital Lease [Member]
Additional acquired capital leases	$ 0	$ 0
Operating Lease [Member]
Description of lessee leasing arrangements, operating leases	The Company leases certain office space, retail stores, property and equipment under long-term, non-cancelable operating leases. Most of these leases include renewal options and some include options to purchase, provisions for percentage rent based on sales and/or incremental step increase provisions.
Future minimum sublease income under non-cancelable subleases	13.9
Vehicle [Member] | Capital Lease [Member]
Description of lessee leasing arrangements, capital leases	The Company assumed certain vehicle capital leases in the acquisition of CSK. The remaining vehicle capital lease agreements have contractual terms of nine months, which will expire on October 15, 2013.
Present value of future minimum capital lease payments, classified as long-term debt	0.2	0.7
Building [Member] | Capital Lease [Member]
Description of lessee leasing arrangements, capital leases	The Company assumed certain building capital leases in the CSK acquisition. The remaining building capital lease agreement will expire on March 31, 2017.
Present value of future minimum capital lease payments, classified as long-term debt	$ 0.2	$ 0.5