Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Awards (Narrative) (Details)

v2.3.0.15
Stock-Based Awards (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
New awards authorized 8,000,000
Available for grants 3,200,000
Stock-based awards maximum term, years 10
Share-based liability $ 9.8
Unrecognized compensation cost $ 21.3
Weighted average period, years 1.8
Stock Appreciation Rights (SARs) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares granted 348,000
Weighted average fair value $ 12.84
Vesting period, years three
Weighted average exercise price $ 29.72
Volatility factor 46.51%
Risk free interest rate 2.33%
Expected term 5
Expected dividend yield 0.00%
Restricted Stock Units (RSUs) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares granted 328,000
Weighted average fair value $ 30.28
Employee Stock Purchase Plan (ESPP) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares granted 57,000
Weighted average fair value $ 9.85
Volatility factor 56.56%
Risk free interest rate 0.15%
Expected term 6
Expected dividend yield 0.00%
Performance-Based Equity Compensation Program [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting period, years three-year period