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v3.20.2

Fair Value Measurements (Details) - Recurring [Member] - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
ASSETS: |  |
Cash equivalents | $ 162.2 | $ 23.3
Trust assets | 0.8 | 0.2
Surety bonds |  | 1.8
Derivative instruments | 34.6 | 19.7
TOTAL | 197.6 | 45.0
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Contingent obligation – net | 0.0 | 0.0
Derivative instruments | 15.7 | 4.2
TOTAL | 15.7 | 4.2
Level 1 [Member] |  |
ASSETS: |  |
Cash equivalents | 162.2 | 23.3
Trust assets | 0.8 | 0.2
Surety bonds |  | 1.8
Derivative instruments | 0.0 | 0.0
TOTAL | 163.0 | 25.3
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Contingent obligation – net | 0.0 | 0.0
Derivative instruments | 0.0 | 0.0
TOTAL | 0.0 | 0.0
Level 2 [Member] |  |
ASSETS: |  |
Cash equivalents | 0.0 | 0.0
Trust assets | 0.0 | 0.0
Surety bonds |  | 0.0
Derivative instruments | 28.5 | 9.1
TOTAL | 28.5 | 9.1
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Contingent obligation – net | 0.0 | 0.0
Derivative instruments | 14.2 | 1.3
TOTAL | 14.2 | 1.3
Level 3 [Member] |  |
ASSETS: |  |
Cash equivalents | 0.0 | 0.0
Trust assets | 0.0 | 0.0
Surety bonds |  | 0.0
Derivative instruments | 6.1 | 10.6
TOTAL | 6.1 | 10.6
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] |  |
Contingent obligation – net | 0.0 | 0.0
Derivative instruments | 1.5 | 2.9
TOTAL | $ 1.5 | $ 2.9

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