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v3.19.1

Fair Value Measurements (Carrying Values of Assets and Liabilities Not Required to Be Carried at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Apr. 15, 2018 | Mar. 31, 2018
--- | --- | --- | ---
Senior Notes | 5.875% Senior Notes |  |  |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried At Fair Value on a Recurring Basis [Line Items] |  |  |  |
Coupon rate |  | 5.875% |  |
Senior Notes | 6.375% Senior Notes |  |  |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried At Fair Value on a Recurring Basis [Line Items] |  |  |  |
Coupon rate |  | 6.375% |  |
Convertible Senior Subordinated Notes | April 2013 Notes |  |  |  |
Fair Value, Carrying Values and Fair Values of Assets and Liabilities Not Required to be Carried At Fair Value on a Recurring Basis [Line Items] |  |  |  |
Coupon rate |  | 1.25% | 1.25% |
Carrying Value |  |  |  |
Liabilities: |  |  |  |
Total liabilities, fair value disclosure |  | $ 2,712.7 |  | $ 2,872.0
Carrying Value | Senior Notes | 5.875% Senior Notes |  |  |  |
Liabilities: |  |  |  |
Senior Notes, fair value disclosure |  | 502.8 |  | 500.4
Carrying Value | Senior Notes | 6.375% Senior Notes |  |  |  |
Liabilities: |  |  |  |
Senior Notes, fair value disclosure |  | 541.4 |  | 0.0
Carrying Value | Convertible Senior Subordinated Notes | April 2013 Notes |  |  |  |
Liabilities: |  |  |  |
Convertible notes, fair value disclosures |  | 0.0 |  | 60.0
Carrying Value | Production Loans | Production Loans |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure |  | 385.4 |  | 352.6
Carrying Value | Term Loan | Term Loan A Facility |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure |  | 733.3 |  | 729.7
Carrying Value | Term Loan | Term Loan B Facility |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure |  | 1,091.2 |  | 1,229.3
Fair Value | Fair Value (Level 2) |  |  |  |
Liabilities: |  |  |  |
Total liabilities, fair value disclosure | [1] | 2,891.3 |  | 2,955.2
Fair Value | Fair Value (Level 2) | Senior Notes | 5.875% Senior Notes |  |  |  |
Liabilities: |  |  |  |
Senior Notes, fair value disclosure | [1] | 534.3 |  | 539.5
Fair Value | Fair Value (Level 2) | Senior Notes | 6.375% Senior Notes |  |  |  |
Liabilities: |  |  |  |
Senior Notes, fair value disclosure | [1] | 576.1 |  | 0.0
Fair Value | Fair Value (Level 2) | Convertible Senior Subordinated Notes | April 2013 Notes |  |  |  |
Liabilities: |  |  |  |
Convertible notes, fair value disclosures | [1] | 0.0 |  | 60.3
Fair Value | Fair Value (Level 2) | Production Loans | Production Loans |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure | [1] | 386.4 |  | 352.9
Fair Value | Fair Value (Level 2) | Term Loan | Term Loan A Facility |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure | [1] | 742.5 |  | 750.9
Fair Value | Fair Value (Level 2) | Term Loan | Term Loan B Facility |  |  |  |
Liabilities: |  |  |  |
Loans, fair value disclosure | [1] | $ 1,088.1 |  | $ 1,251.6
[1] | The Company measures the fair value of its outstanding debt using discounted cash flow techniques that use observable market inputs, such as LIBOR-based yield curves, swap rates, and credit ratings (Level 2 measurements).

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