Stockbased Compensation Expense Allocation (Details) (USD $)
In Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2010
|
Dec. 31, 2009
|
Dec. 31, 2008
|
|
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items] | |||
Total Stock-based Compensation Expense | $ 81.8 | $ 67.0 | $ 56.4 |
Cost of Revenues [Member]
|
|||
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items] | |||
Total Stock-based Compensation Expense | 5.9 | 6.1 | 4.1 |
Selling, General and Administrative Expenses [Member]
|
|||
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items] | |||
Total Stock-based Compensation Expense | 74.1 | 58.8 | 50.7 |
Research and Development Expenses [Member]
|
|||
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items] | |||
Total Stock-based Compensation Expense | $ 1.8 | $ 2.1 | $ 1.6 |