Income from Continued Dumping and Subsidy Offset Act (CDSOA) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 29, 2012	Sep. 29, 2012	Oct. 01, 2011
Income from Continued Dumping and Subsidy Offset Act, net	$ 53	$ 39,414	$ 1,117