Basis and Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended		9 Months Ended			9 Months Ended	3 Months Ended	9 Months Ended			1 Months Ended
	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2012 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2013 Sales and Lease Ownership USD ($)	Sep. 30, 2013 Restricted stock units	Sep. 30, 2013 Restricted stock units	Sep. 30, 2013 Employee	Sep. 30, 2013 Non Employee Director	Oct. 14, 2011 Variable Interest Entity, Not Primary Beneficiary	Sep. 30, 2013 Variable Interest Entity, Not Primary Beneficiary USD ($) store	Sep. 30, 2013 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary USD ($)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Sep. 30, 2013 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)
Significant Accounting Policies [Line Items]
Percentage of common stock outstanding											11.50%
Number of retail stores												64	64
Held to maturity securities	$ 106,677,000		$ 106,677,000		$ 85,861,000							$ 19,700,000	£ 12,200,000	$ 18,400,000	£ 11,400,000
Held to maturity securities, face value	106,677,000		106,677,000										10,000,000
Investment included in prepaid expenses and other assets																1,000	1,000
Maximum exposure to any potential losses associated with VIE												19,700,000
Uncertain tax benefits that, if recognized, would affect effective tax rate	1,300,000		1,300,000		1,000,000
Anti-dilutive Securities excluded from the computation of earnings per share assuming dilution							292,000	286,000
Lease merchandise adjustments	17,400,000	15,800,000	42,000,000	39,300,000
Assets Held For Sale	6,783,000		6,783,000		11,104,000
Impairment charge	600,000		600,000			3,000,000
Percentage of receipt of base compensation									75.00%	100.00%
Percentage of receipt of incentive pay compensation									100.00%	100.00%
Deferred compensation plan liability	11,800,000		11,800,000		9,500,000
Cash surrender value of company-owned life insurance ("COLI") contracts	12,900,000		12,900,000		10,400,000
Deferred compensation expense charged to operations for Company's matching contributions	34,000	78,000	107,000	240,000
Benefits paid	$ 783,000	$ 565,000	$ 783,000	$ 565,000