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Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cost of revenues $ 115,881 [1] $ 128,535 [1] $ 105,134 [1]
Research and development 49,952 [1] 46,271 [1] 46,522 [1]
Selling, general and administrative 46,415 [1] 47,590 [1] 37,325 [1]
Share Based Compensation [Member]
     
Cost of revenues 1,009 798 670
Research and development 2,401 1,808 1,619
Selling, general and administrative $ 2,444 $ 2,119 $ 1,675
[1] Share-based compensation included in: