Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Components of Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (1,414)	$ (1,798)	$ (1,243)
Changes in fair value	(1,391)	(24)	(220)
Reclassification to earnings	(145)	(408)	335
Tax effect	437
Ending Balance	(2,223)	(1,414)	(1,798)
Aluminum Forward Contracts [Member]
Components of Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(1,414)	(1,798)	(1,243)
Changes in fair value	(761)	(24)	(220)
Reclassification to earnings	145	408	(335)
Tax effect	193
Ending Balance	(1,837)	(1,414)	(1,798)
Interest Rate Swap [Member]
Components of Accumulated Other Comprehensive Income (Loss) [Line Items]
Changes in fair value	(630)
Tax effect	244
Ending Balance	$ (386)