|
Consolidated Statements of Stockholders' Equity (Unaudited) (USD $)
In Millions |
Total
|
Common Stock [Member]
|
Additional Paid-In Capital [Member]
|
Treasury Stock [Member]
|
Retained Earnings [Member]
|
Accumulated Other Comprehensive Income [Member]
|
|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2011 | $ 446.6 | $ 0.4 | $ 37.4 | $ (4.5) | $ 372.5 | $ 40.8 |
| Dividends on common stock | (33.2) | (33.2) | ||||
| Shares issued for restricted stock units | 0 | (0.1) | 0.1 | |||
| Stock options exercised | 1.5 | 1.4 | 0.1 | |||
| Income tax benefits from equity awards | 0.8 | 0.8 | ||||
| Stock-based compensation | 3.6 | 3.6 | ||||
| Comprehensive income | 54.1 | 49.4 | 4.7 | |||
| Balance at Jun. 30, 2012 | $ 473.4 | $ 0.4 | $ 43.1 | $ (4.3) | $ 388.7 | $ 45.5 |