Commitments and Contingencies - Additional Information (Details)		1 Months Ended	6 Months Ended
	Feb. 27, 2013 USD ($)	Jan. 31, 2014 right	Jun. 30, 2015 CAD	Jun. 30, 2015 USD ($)	Oct. 26, 2010 $ / violation
Commitments and Contingencies Disclosure [Line Items]
Leases of warehouse and retail store space under operating lease, expiring time			2033
Lease term (in years)			15 years
Event of default, loan due In full, term (in days)			90 days
Portion that Company might be obligated to repay in the event franchisees defaulted				$ 87,600,000
Fair value of franchise related borrowings				656,000,000
Loan facility to franchisees, maximum commitment amount				175,000,000.0
Loss contingency accrual				23,400,000
Minimum range of possible loss				65,000
Maximum range of possible loss				1,200,000
RIMCO
Commitments and Contingencies Disclosure [Line Items]
Number of franchise rights sold during period | right		5
Marketing and Advertising Expense
Commitments and Contingencies Disclosure [Line Items]
Contractual commitments future minimum payments due				12,100,000
Margaret Korrow
Commitments and Contingencies Disclosure [Line Items]
Statutory penalty damages, per violation (in dollars per violation) | $ / violation					100
Minimum
Commitments and Contingencies Disclosure [Line Items]
Renewal options of leases for additional periods			1 year
Range of possible loss not accrued				0
Maximum
Commitments and Contingencies Disclosure [Line Items]
Renewal options of leases for additional periods			20 years
Leases of transportation and computer equipment under operating leases, expiring period (in years)			4 years
Range of possible loss not accrued				$ 3,000,000
Maximum | Lomi Price
Commitments and Contingencies Disclosure [Line Items]
Loss contingency, damages sought, value (not less than)	$ 250,000
Amendment | Franchise Loan Facility
Commitments and Contingencies Disclosure [Line Items]
Loan facility maximum Canadian sub facility commitment amount | CAD			CAD 50,000,000