Sales of Accounts Receivable - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
Sep. 24, 2016	Sep. 26, 2015	Dec. 26, 2015
Receivables [Abstract]
Sale of accounts receivable	$ 366.6	$ 391.9
Additional accounts receivable outstanding if receivables had not been sold	337.3		$ 335.9
Factoring costs associated with the sales of accounts receivable	$ 6.3	$ 5.4

Reflects the net positive or negative amount derived from subtracting from net proceeds of sale, the carrying amounts, net of allocated reserves, of accounts receivable transferred to a third party in a transaction that qualifies for sales treatment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64830801&loc=d3e107425-111719

Name:	us-gaap_GainLossOnSaleOfAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration