|
Commitments And Contingencies (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Dec. 31, 2013
|
|
| Loss Contingencies [Line Items] | |||
| Liabilities recognized for estimated environmental costs | $ 37.1 | $ 38.5 | |
| Estimated environmental liabilities, years | 10 years | ||
| Environmental expenses | 0.3 | 0.7 | |
| Receivables from insurance carriers related to environmental matters | 4.7 | 4.8 | |
|
Accounts Receivable [Member]
|
|||
| Loss Contingencies [Line Items] | |||
| Receivables from insurance carriers related to environmental matters | 2.1 | 2.1 | |
|
Other Noncurrent Assets [Member]
|
|||
| Loss Contingencies [Line Items] | |||
| Receivables from insurance carriers related to environmental matters | 2.6 | 2.7 | |
|
Direct Financing Lease [Member]
|
|||
| Loss Contingencies [Line Items] | |||
| Pipeline Length | 36 | ||
| Net Investment in Direct Financing and Sales Type Leases | 35.0 | ||
| Capital Recovery Payments Receivable | $ 19.3 | ||
| Capital Recovery Payments Period | 41 months | ||