Commitments and Contingencies - Additional Information (Detail)	1 Months Ended	3 Months Ended		12 Months Ended				12 Months Ended			12 Months Ended
	Mar. 26, 2012 USD ($)	Mar. 31, 2012 USD ($)	Jun. 30, 2011 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	Dec. 31, 2012 Marketing and Advertising Expense USD ($)	Dec. 31, 2012 Franchise Loan Facility CAD	Dec. 31, 2012 Kunstmann et al Plaintiff	Dec. 31, 2012 Kurtis Jewell Plaintiff	Dec. 31, 2012 Amendment Franchise Loan Facility CAD	Dec. 31, 2012 Minimum	Dec. 31, 2012 Maximum	Dec. 31, 2012 Maximum Kurtis Jewell
Commitments and Contingencies Disclosure [Line Items]
Leases of warehouse and retail store space under operating lease, expiring time				2028
Renewal options of leases for additional periods												1 year	20 years
Leases of transportation and computer equipment under operating leases, expiring period													5 years
Rental expense				$ 102,000,000	$ 93,600,000	$ 96,100,000
Sublease income				3,100,000	3,100,000	2,800,000
Future sublease rental income in one year				4,000,000
Future sublease rental income in two years				3,400,000
Future sublease rental income in three years				2,800,000
Future sublease rental income in four years				2,400,000
Future sublease rental income in five years				2,200,000
Future sublease rental income in five years and thereafter				7,700,000
Portion that Company might be obligated to repay in the event franchisees defaulted				117,300,000	128,800,000
Fair value of franchise related borrowings				2,600,000
Debt instrument, maturity date											May 16, 2012
Loan facility maximum Canadian sub facility commitment amount								35,000,000			50,000,000
Accrued lawsuit expense			36,500,000
Accrued probable losses associated with litigation			41,500,000
Insurance coverage for litigation expenses			5,000,000
Litigation final settlement amount	6,000,000
Income related to reversal of lawsuit accrual		35,500,000	(36,500,000)	35,500,000	(36,500,000)
Number of Plaintiffs									247	1,788
Percentage of class size with respect to potential class members														7.00%
Loss contingency, estimate of probable loss				5,000,000
Minimum range of possible loss				700,000
Maximum range of possible loss				7,600,000
Non-cancelable commitments							21,700,000
Non-cancelable commitments due in 2013							17,500,000
Non-cancelable commitments due in 2014							3,600,000
Non-cancelable commitments due in 2015							383,000
Non-cancelable commitments due in 2016							274,000
Maximum 401 (K) plan contribution rates as percentage of employees earnings				100.00%
Employer 401 (k) matching contribution to employee, Maximum				50.00%
Initial Employer 401(K) Matching Contribution to Employee				4.00%
Compensation expense related to 401(k) savings plan				$ 999,000	$ 891,000	$ 841,000