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Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Unrecognized pension and other post-retirement benefit costs, net of tax $ (364) $ (617)
Cumulative translation adjustments (3,391) (33,407)
Market value of derivative financial instruments, net of tax (8,571) (4,941)
Accumulated other comprehensive income (loss) $ (11,598) $ (37,731)