Registration of securities issued in business combination transactions

Income Taxes - Summary of Components of Income (Loss) Before Income Taxes (Detail)

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Income Taxes - Summary of Components of Income (Loss) Before Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]          
United States     $ 32,136 $ 52,422 $ (61,434)
Foreign     20,651 18,555 (3,978)
Income (loss) before income taxes $ (21,015) $ (932) $ 52,787 $ 70,977 $ (65,412)