Description of Business and Summary of Significant Accounting Policies - Additional Information (Detail)	1 Months Ended	2 Months Ended	3 Months Ended									10 Months Ended	12 Months Ended
	Aug. 31, 2014 USD ($)	Feb. 14, 2014 USD ($)	Jan. 01, 2017 USD ($) Store Country State		Oct. 02, 2016 USD ($)	Jul. 03, 2016 USD ($)	Apr. 03, 2016 USD ($)	Jan. 03, 2016 USD ($)	Sep. 27, 2015 USD ($)	Jun. 28, 2015 USD ($)	Mar. 29, 2015 USD ($)	Dec. 28, 2014 USD ($)	Jan. 01, 2017 USD ($) Store Country State	Jan. 03, 2016 USD ($)	Dec. 29, 2013 USD ($)
Related Party Transaction [Line Items]
Number of states in which Entity operates | State			47										47
Number of foreign countries in which Entity operates | Country			12										12
Number of stores operated by Entity | Store			747										747
Minimum [Member]
Related Party Transaction [Line Items]
general insurance deductible			$ 200,000										$ 200,000
Maximum [Member]
Related Party Transaction [Line Items]
general insurance deductible			$ 500,000										$ 500,000
Variable Interest Entity, Primary Beneficiary [Member]
Related Party Transaction [Line Items]
Gross proceeds	$ 12,100,000
Company Operated [Member]
Related Party Transaction [Line Items]
Number of states in which Entity operates | State			44										44
Number of stores operated by Entity | Store			559										559
Franchise Operated [Member]
Related Party Transaction [Line Items]
Number of states in which Entity operates | State			16										16
Number of foreign countries in which Entity operates | Country			11										11
Number of stores operated by Entity | Store			188										188
Predecessor [Member]
Related Party Transaction [Line Items]
Revenue Recognition, Gift Cards, Breakage		$ 100,000.000													$ 400,000
InternalCapitalizedCosts															3,500,000
Franchise fees and royalties		687,000
FranchiseRoyaltiesandContinuingSalesandFees		600,000													$ 4,300,000
Successor [Member]
Related Party Transaction [Line Items]
Revenue Recognition, Gift Cards, Breakage												$ 200,000		$ 2,300,000
Capitalized store development costs		400,000										2,900,000	$ 3,400,000	3,900,000
Franchise fees and royalties		$ 6,483,000	$ 4,898,000	[1]	$ 4,322,000	$ 4,560,000	$ 4,559,000	$ 4,238,000	$ 4,941,000	$ 4,073,000	$ 4,227,000	6,483,000	18,339,000	17,479,000
FranchiseRoyaltiesandContinuingSalesandFees												$ 5,800,000	$ 17,400,000	$ 16,900,000

[1] Our 2015 fiscal year consisted of 53 weeks. Each quarterly period has 13 weeks, except for the fourth quarterly period ended January 3, 2016 which has 14 weeks.