Commitments and Contingencies - Additional Information (Detail) $ in Millions	9 Months Ended	12 Months Ended
Dec. 28, 2013 USD ($)	Jan. 02, 2016 USD ($) ParticipantClass	Jan. 03, 2015 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Rents Received from Subleases \| $	$ 2.2	$ 5.3	$ 5.0
Percentage of Associates Represent By Union		9.00%
Treasury's review period on proposed plan		225 days
Number of participant classes for employees benefit \| ParticipantClass		3

Percentage of employee participants subject to a collective bargaining arrangement to all participants in a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49170332&loc=SL14450657-114947

Name:	us-gaap_MultiemployerPlansCollectiveBargainingArrangementPercentageOfParticipants
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant