|
Allowance for Credit Losses - Summary of Allowance for Credit Losses (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2013
|
|
| Allowance for credit losses and recorded investment in financing receivables | |||
| January Balance | $ 4.5 | $ 4.5 | $ 4.5 |
| Provision for credit losses | 0.5 | ||
| March Balance | 5.0 | 4.5 | 4.5 |
| Finance Leases Financing Receivable [Member] | |||
| Allowance for credit losses and recorded investment in financing receivables | |||
| January Balance | 0.4 | 0.4 | 0.4 |
| Provision for credit losses | 0.5 | ||
| March Balance | 0.9 | 0.4 | 0.4 |
| Notes Receivable [Member] | |||
| Allowance for credit losses and recorded investment in financing receivables | |||
| January Balance | 4.1 | 4.1 | 4.1 |
| Provision for credit losses | 0 | ||
| March Balance | $ 4.1 | $ 4.1 | $ 4.1 |