Other current liabilities (Detail) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Other Liabilities, Current [Abstract]
Gift card/certificate liability	$ 228,783	$ 207,628
Gift card breakage liabilities	1,079	13,301
Accrued payroll and benefits	30,768	25,071
Accrued legal liabilities (see note 17(d))	3,566	5,555
Accrued interest	17,902	10,702
Accrued professional costs	5,527	2,170
Franchisee profit-sharing liability	13,243	11,083
Other	25,210	22,756
Total other current liabilities	$ 326,078	$ 298,266