Restructuring (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($) Store	Dec. 31, 2014 USD ($) Store
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of store closures | Store				44	44
Restructuring Reserve [Roll Forward]
Restructuring Expenses	$ 0	$ 2,264,000	$ 0	$ 2,264,000	$ 9,100,000
Sales and Lease Ownership
Restructuring Reserve [Roll Forward]
Restructuring Expenses				$ 2,300,000
Contractual Obligations Under Canceled Leases
Restructuring Reserve [Roll Forward]
Balance at January 1, 2015			3,227,000
Restructuring Expenses					4,800,000
Payments			(1,266,000)
Balance at June 30, 2015	$ 1,961,000		$ 1,961,000		3,227,000
Fixed Assets
Restructuring Reserve [Roll Forward]
Restructuring Expenses					3,300,000
Severance
Restructuring Reserve [Roll Forward]
Restructuring Expenses					620,000
Other
Restructuring Reserve [Roll Forward]
Restructuring Expenses					$ 395,000