Sales of Accounts Receivable - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Dec. 28, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Sale of accounts receivable	$ 380.2	$ 296.5
Additional accounts receivables outstanding if receivables had not been sold	328.3		267.8
Accounts Receivable Sales Programs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing costs associated with the sales of accounts receivable	$ 5.0	$ 3.6