Hedging Transactions and Derivative Financial Instruments - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Derivative [Line Items]
Maximum period for foreign exchange contracts	12 months
Maximum period for commodity contracts	27 months
Period over which outstanding cash flow hedges are expected to settle	12 months
Unrealized gain (loss) on cash flow hedge	$ 400,000	$ 700,000
Hedging ineffectiveness on cash flow hedge	0	0	$ 0
Fair value of derivative instruments	600,000	1,200,000
Fair value of derivative liabilities	8,000,000	2,300,000
Gains and Losses on Derivative Instruments [Member]
Derivative [Line Items]
Derivative instruments, charge (debit) to cost of sales	1,500,000	200,000
Cash Flow Hedging [Member] | Forward Contracts [Member]
Derivative [Line Items]
Notional value of cash flow hedges	4,500,000	22,500,000
Aluminum Swaps [Member]
Derivative [Line Items]
Unrealized gain (loss) on cash flow hedge	(5,300,000)	(700,000)
Hedge ineffectiveness for hedging instruments	0	1,200,000	$ 0
Fair value of derivative instruments	0
Aluminum Swaps [Member] | Gains and Losses on Derivative Instruments [Member]
Derivative [Line Items]
Notional value of cash flow hedges	$ 49,300,000	$ 55,400,000