Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)				3 Months Ended						4 Months Ended		12 Months Ended
	Dec. 30, 2015	Dec. 30, 2014	Dec. 30, 2013	Sep. 06, 2015	Jun. 14, 2015	Mar. 22, 2015	Sep. 07, 2014	Jun. 15, 2014	Mar. 23, 2014	Jan. 03, 2016	Dec. 28, 2014	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Restricted cash										$ 128,554,000	$ 93,121,000	$ 128,554,000	$ 93,121,000
Asset held for sale						$ 5,700,000					5,732,000		5,732,000
Capital lease assets										5,100,000	1,500,000	5,100,000	1,500,000
Accumulated amortization of capital lease assets										5,400,000	$ 5,900,000	5,400,000	5,900,000
Depreciation and amortization expense												32,434,000	35,788,000	$ 25,783,000
Pre tax expense													5,800,000
Impairment loss on long-lived assets												0	0	0
Amortization of debt issuance costs												12,393,000	5,746,000	6,094,000
Goodwill impairment charges												0	0	0
Capitalized software amortization expense												8,300,000	7,300,000	5,000,000
Proceeds from the sale and enhancements of developed software												3,900,000	3,400,000	3,000,000
Exposures for workers' compensation and general liability programs										1,000,000		1,000,000
Total insurance limits under the retention programs										$ 110,000,000		$ 110,000,000
Percentage of profit-sharing arrangements with participating stores												50.00%
Revenue reduction due to profit-sharing obligation												$ 85,800,000	75,700,000	73,900,000
Advertising expense												32,000,000	29,000,000	29,600,000
Advertising contributions by company-owned stores												23,200,000	20,900,000	20,100,000
Advertising contributions by franchisees												247,000,000	217,700,000	199,400,000
Rent expenses												46,100,000	43,000,000	40,200,000
Common stock dividend declared												$ 66,500,000	$ 55,300,000	$ 44,200,000
Common stock dividend declared, per share				$ 0.31	$ 0.31	$ 0.31	$ 0.25	$ 0.25	$ 0.25	$ 0.31	$ 0.25	$ 1.24	$ 1.00	$ 0.80
Common stock dividend declared, paid	$ 15,300,000	$ 13,800,000	$ 11,100,000										$ 41,700,000	$ 34,200,000
Derivative instruments outstanding										$ 0	$ 0	$ 0	0
Interest paid												80,800,000	81,100,000	82,900,000
Cash paid for income taxes												80,100,000	76,500,000	62,800,000
Capital expenditure accrual												800,000	1,700,000
Capital lease				$ 600,000		$ 3,400,000
Unamortized debt issuance costs										27,922,000	22,947,000	27,922,000	22,947,000
Minimum [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Owned and non-owned automobile liabilities										500,000		500,000
Maximum [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Owned and non-owned automobile liabilities										3,000,000		3,000,000
2012 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs												39,900,000
Debt extinguishment												551,000,000
Debt issuance costs written off												6,900,000	200,000	500,000
2015 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs												17,400,000
Debt issuance costs written off												$ 6,900,000
Software [Member] | Minimum [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the software												1 year
Software [Member] | Maximum [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the software												3 years
Property Plant and Equipment [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Depreciation and amortization expense												$ 24,100,000	28,400,000	$ 20,500,000
Cash Held for Future Interest Payment [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Restricted cash										114,200,000	56,200,000	114,200,000	56,200,000
Cash Held in Interest Reserve [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Restricted cash										26,700,000	20,800,000	26,700,000	20,800,000
Cash Held as Collateral for Outstanding Letters of Credit [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Restricted cash										40,000,000	43,900,000	40,000,000	43,900,000
Other Restricted Cash [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Restricted cash											100,000		100,000
2012 Fixed Rate Notes [Member] | 2015 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt extinguishment												551,000,000
New Accounting Pronouncement, Early Adoption, Effect [Member] | Long Term Debt [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Unamortized debt issuance costs										$ 27,900,000	$ 22,900,000	27,900,000	$ 22,900,000
Class A-2 Notes [Member] | 2012 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs												39,900,000
Class A-2 Notes [Member] | 2012 Fixed Rate Notes [Member] | 2012 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt extinguishment												$ 551,000,000
Debt issuance costs, amortization period												7 years
Class A-2-I Notes [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs, amortization period												5 years
Class A-2-I Notes [Member] | 2015 Fixed Rate Notes [Member] | 2015 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs, amortization period												5 years
Class A-2-II Notes [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs, amortization period												10 years
Class A-2-II Notes [Member] | 2015 Fixed Rate Notes [Member] | 2015 Recapitalization [Member]
Description Of Business And Summary Of Significant Accounting Policies [Line Items]
Debt issuance costs, amortization period												10 years