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Income Taxes - Components of Pretax Loss from Continuing Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Income Tax Disclosure [Abstract]    
U.S. $ (47,225) $ (27,638)
Foreign   (4,558)
PRETAX LOSS $ (47,225) $ (32,196)