Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 1)

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Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Summary of Earnings before income taxes      
Expected income tax expense (benefit) $ (45,866) $ 68,811 $ 24,888
State income tax, net of federal benefit (7,320) 6,590 2,051
Rate differential on foreign income (11,808) 16,398 (6,162)
Change in unrecognized tax benefits 2,906 (160) 455
Exempt income 0 0 (207)
Non-deductible expenses 168 569 441
Prior year R&D credit claims (6,253) 0 0
Adjustment to tax benefit - 2008 advanced Pricing agreement 0 0 (1,952)
Other 304 (197) (1,049)
Change in valuation allowance 4,402 983 1,763
Total income taxes (benefit) $ (63,467) $ 60,198 $ 20,228