Basis and Summary of Significant Accounting Policies - Additional Information (Detail)	0 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended	0 Months Ended		3 Months Ended					1 Months Ended			3 Months Ended			1 Months Ended
	Dec. 03, 2013 USD ($)	Feb. 28, 2014	Mar. 31, 2014 USD ($) store	Mar. 31, 2013 USD ($)	Dec. 31, 2013 USD ($) store	Dec. 03, 2013 Treasury Stock USD ($)	Dec. 03, 2013 Additional Paid-in Capital USD ($)	Mar. 31, 2014 Stock Option	Mar. 31, 2014 Restricted stock units	Mar. 31, 2014 Performance based restricted stock units	Mar. 31, 2013 Performance based restricted stock units	Mar. 31, 2014 Restricted stock awards	Jan. 31, 2014 RIMCO store right	Mar. 31, 2014 RIMCO store	Dec. 31, 2013 RIMCO store	Mar. 31, 2014 Sales and Lease Ownership USD ($)	Mar. 31, 2014 Employee	Mar. 31, 2014 Non Employee Director	Oct. 14, 2011 Variable Interest Entity, Not Primary Beneficiary	Mar. 31, 2014 Variable Interest Entity, Not Primary Beneficiary USD ($) store	Mar. 31, 2014 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary USD ($)	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Mar. 31, 2014 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)	Mar. 31, 2014 Level 2 USD ($)	Dec. 31, 2013 Level 2 USD ($)
Significant Accounting Policies [Line Items]
Number of stores sold during period													27
Number of franchise rights sold during period													5
Number of franchises granted during period			941		940
Percentage of common stock outstanding																			11.50%
Number of retail stores			1,345		1,370									0	27					64	64
Investment included in prepaid expenses and other assets																								$ 1,000	$ 1,000
Held to maturity securities			106,441,000		112,391,000															21,300,000	12,700,000	20,700,000	12,500,000
Held to maturity securities, face value			106,441,000																		10,000,000
Maximum exposure to any potential losses associated with VIE																				21,300,000
Uncertain tax benefits that, if recognized, would affect effective tax rate			1,700,000		1,500,000
Anti-dilutive Securities excluded from the computation of earnings per share assuming dilution								88,000	52,000	190,000	21,000	0
Lease merchandise adjustments			13,400,000	12,800,000
Stock repurchased during period, value	125,000,000					100,000,000	25,000,000
Stock repurchased during period, shares	3,502,627	1,000,952
Stock repurchase program, percent of shares authorized for repurchase	80.00%
Accelerated share repurchases, initial price paid per share						$ 28.55
Assets held for sale			6,429,000		15,840,000
Assets held-for-sale, at carrying value					9,700,000
Impairment charge			(2,100,000)													(161,000)
Percentage of receipt of base compensation																	75.00%	100.00%
Deferred compensation liability																										(12,608,000)	(12,557,000)
Percentage of receipt of incentive pay compensation																	100.00%	100.00%
Cash surrender value of company-owned life insurance ("COLI") contracts					14,100,000
Deferred compensation expense charged to operations for Company's matching contributions			22,000	37,000
Benefits paid			$ 501,000	$ 274,000