v2.4.0.6
Stock-Based Compensation Expenses Stock-Based Compensation Expenses (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Accelerated Stock-Based Compensation [Line Items]  
Accelerated Stock-Based Compensation $ 193,937
Selling General And Administrative Expenses [Member]
 
Accelerated Stock-Based Compensation [Line Items]  
Accelerated Stock-Based Compensation 93,788
Research and Development Expense [Member]
 
Accelerated Stock-Based Compensation [Line Items]  
Accelerated Stock-Based Compensation $ 100,149