Derivative - Fair Value of Hedges and Interest Rate Cap (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Derivatives, Fair Value [Line Items]
Total hedging instruments	$ (1,075)	$ 20
Aluminum Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position		20
Derivatives in a net asset position	(479)
Total hedging instruments
Aluminum Forward Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position		20
Aluminum Forward Contracts [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position	(441)
Aluminum Forward Contracts [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position	(38)
Interest Rate Cap [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position	21
Interest Rate Cap [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position	13
Interest Rate Swap [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives in a net asset position	$ (630)