Other Identifiable Intangible Assets - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization of intangibles	$ 5,010,000	$ 2,800,000	$ 733,000
Impairment of finite-lived identifiable intangible assets	0
Amortization expense for 2017	7,200,000
Amortization expense for 2018	7,200,000
Amortization expense for 2019	7,200,000
Amortization expense for 2020	7,200,000
Amortization expense for 2021	$ 7,200,000