Allowance for Doubtful Accounts - Additional Information (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Dec. 27, 2014	Dec. 28, 2013
Receivables [Abstract]
Vendor receivable, allowance for doubtful accounts	$ 2	$ 3	$ 3

Amount of valuation allowance for receivables classified as other, due within one year or the normal operating cycle, if longer.

No definition available.

Name:	us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant