Business Segments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013 Customer	Dec. 29, 2012	Dec. 31, 2011
Segment Reporting [Abstract]
Number of customers exceeding 10% of net sales	4
Percentage of net sales	10.00%	10.00%	10.00%
Total percentage of sales to customers exceeding 10% of sales	0.57	0.57	0.57
Net sales outside of the U.S.	$ 33.2	$ 23.5	$ 13.9