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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]    
Income (loss) before income taxes and equity in earnings (loss) of unconsolidated investees $ (58,647) $ (69,749)
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]    
Provision for income taxes $ 2,989 $ 1,356