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Additional Financial Information (Tables) | 12 Months Ended
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Mar. 31, 2018
Additional Financial Information [Abstract] |
Schedule of Other Assets | The composition of the Company’s other assets is as follows as of March 31, 2018 and March 31, 2017:
| March 31, 2018 |  | March 31, 2017
| (Amounts in millions)
Other current assets |  |  |
Prepaid expenses and other | $ | 34.1 |  |  | $ | 26.1 |
Product inventory | 20.3 |  |  | 23.9 |
Tax credits receivable | 141.4 |  |  | 145.9 |
| $ | 195.8 |  |  | $ | 195.9 |
Other non-current assets |  |  |
Prepaid expenses and other | $ | 23.8 |  |  | $ | 39.9 |
Accounts receivable(1) | 325.2 |  |  | 313.1 |
Tax credits receivable | 109.6 |  |  | 119.8 |
| $ | 458.6 |  |  | $ | 472.8 |
Supplemental Schedule of Non-Cash Investing and Financing Activities | The supplemental schedule of non-cash investing and financing activities is presented below:
| Year Ended March 31,
| 2018 |  | 2017 |  | 2016
| (Amounts in millions)
Non-cash investing activities: |  |  |  |  |
Issuance of common shares related to business acquisitions (see Note 2) | $ | — |  |  | $ | 1,327.7 |  |  | $ | 57.0 |
Accrued purchase consideration for dissenting shareholders (see Note 2) | $ | — |  |  | $ | 797.3 |  |  | $ | — |
Issuance of Starz share-based payment replacement awards | $ | — |  |  | $ | 186.5 |  |  | $ | — |
Non-cash financing activities: |  |  |  |  |
Accrued dividends (see Note 12) | $ | 19.1 |  |  | $ | — |  |  | $ | 13.2 |
Conversions of convertible senior subordinated notes (see Note 7) | $ | — |  |  | $ | 41.9 |  |  | $ | 16.2 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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