Reserve Balances Classified in Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Other long-term liabilities	$ 142,780	$ 182,685
Total	64,470	49,075
Facility Closing
Restructuring Cost and Reserve [Line Items]
Accrued expenses and other current liabilities - Other	17,093
Other long-term liabilities	47,377
Total	$ 64,470