|
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified |
Jun. 30, 2012
|
|---|---|
| Assets or liabilities recorded at fair value | |
| Deferred compensation plan | $ 13.0 |
| Total | 50.5 |
|
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Deferred compensation plan | |
| Total | |
|
Significant Other Observable Inputs (Level 2) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Deferred compensation plan | 13.0 |
| Total | 50.5 |
|
Significant Unobservable Inputs (Level 3) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Deferred compensation plan | |
| Total | |
|
Cash Flow Swaps Designated as Hedges [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | 33.8 |
|
Cash Flow Swaps Designated as Hedges [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | |
|
Cash Flow Swaps Designated as Hedges [Member] | Significant Other Observable Inputs (Level 2) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | 33.8 |
|
Cash Flow Swaps Designated as Hedges [Member] | Significant Unobservable Inputs (Level 3) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | |
|
Cash Flow Swaps not Designated as Hedges [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | 3.7 |
|
Cash Flow Swaps not Designated as Hedges [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | |
|
Cash Flow Swaps not Designated as Hedges [Member] | Significant Other Observable Inputs (Level 2) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps | 3.7 |
|
Cash Flow Swaps not Designated as Hedges [Member] | Significant Unobservable Inputs (Level 3) [Member]
|
|
| Assets or liabilities recorded at fair value | |
| Cash Flow Swaps |