v2.4.0.6
Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Stock-Based Compensation [Abstract]      
Capitalized amount of stock-based compensation costs to inventory $ 8.6 $ 10.9 $ 11.4
Capitalized amount of stock-based compensation cost remained in inventory $ 2.0 $ 1.8 $ 1.1