Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 26, 2015 USD ($) Contract Customer	Dec. 27, 2014 USD ($) Contract Customer	Dec. 28, 2013 USD ($)
Summary Of Significant Accounting Policies Textual [Abstract]
Highly liquid short-term investments maturity date	Three months or less
Sale of accounts receivable	$ 519.2	$ 477.9	$ 406.4
Additional receivables outstanding if receivables had not been sold	335.9	298.9
Factoring costs associated with the sales of accounts receivable	7.2	6.2	5.2
Long-term core inventory	14.6	10.2
Accrued customer rebates	15.0	14.3
Product warranty reserves	0.5	0.1
Research and development costs	$ 16.8	$ 15.8	$ 13.4
Number of largest customers | Customer	5	5
Net accounts receivable from five largest customers	79.00%	81.00%
Percentage of products purchased from foreign suppliers	71.00%
Number of foreign exchange forward contracts outstanding | Contract	0	0
Minimum [Member]
Summary Of Significant Accounting Policies Textual [Abstract]
Estimated useful life of Property, Plant and Equipment	3 years
Maximum [Member]
Summary Of Significant Accounting Policies Textual [Abstract]
Estimated useful life of Property, Plant and Equipment	39 years