Leasing (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Operating lease [Member]
Description of lessee leasing arrangements	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	$ 15.3
Capital lease [Member] | Buildings [Member]
Description of lessee leasing arrangements	The Company assumed certain building capital leases in the acquisition of CSK. The only remaining building capital lease agreement will expire on April 30, 2015.
Present value of future minimum capital lease payments, classified as long-term debt	0.1	0.1
Additional acquired capital leases	$ 0	$ 0