|
Debt Outstanding (Detail) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Debt Outstanding [Line Items] | ||
| Total debt | $ 955.9 | $ 999.2 |
| Less short-term debt and current maturities | (17.0) | (47.2) |
| Less unamortized discounts | (1.8) | (1.8) |
| Plus fair value adjustments | 14.7 | 15.8 |
| Total long-term debt, net | 951.8 | 966.0 |
|
Notes, 7.34%, due in installments through May 2014
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 30.0 | 45.0 |
|
Notes, 4.45%, due December 2014
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 275.0 | 275.0 |
|
Notes, 6.30%, due July 2017
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 272.5 | 272.5 |
|
Debentures, 6.90%, due July 2028
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 125.0 | 125.0 |
|
Notes, 7.00%, due July 2037
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 250.0 | 250.0 |
|
Commercial paper
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 30.0 | |
|
Capitalized lease obligation
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | 2.9 | 1.1 |
|
Other
|
||
| Debt Outstanding [Line Items] | ||
| Total debt | $ 0.5 | $ 0.6 |