Summary of Significant Accounting Policies - Information Regarding Warranty Accrual (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Accrued Warranty, Beginning of Period	$ 3,858	$ 4,406	$ 4,326
Accrued Warranty, Charged to Expense	2,992	3,157	3,346
Accrued Warranty, Adjustments	(419)	(512)	188
Accrued Warranty, Settlements	(3,765)	(3,193)	(3,454)
Accrued Warranty, End of Period	$ 2,666	$ 3,858	$ 4,406