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Additional Financial Information (Tables) | 3 Months Ended
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Jun. 30, 2017
Additional Financial Information [Abstract] |
Schedule of Other Assets [Table Text Block] | The composition of the Company’s other assets is as follows as of June 30, 2017 and March 31, 2017:
| June 30, 2017 |  | March 31, 2017
| (Amounts in millions)
Other current assets |  |  |
Prepaid expenses and other | $ | 23.1 |  |  | $ | 26.1 |
Product inventory | 21.6 |  |  | 23.9 |
Tax credits receivable | 164.9 |  |  | 145.9 |
| $ | 209.6 |  |  | $ | 195.9 |
Other non-current assets |  |  |
Prepaid expenses and other | $ | 40.9 |  |  | $ | 39.9 |
Accounts receivable | 305.6 |  |  | 313.1 |
Tax credits receivable | 99.7 |  |  | 119.8 |
| $ | 446.2 |  |  | $ | 472.8 |
Supplemental Schedule of Non-Cash Investing and Financing Activities | The supplemental schedule of non-cash financing activities for the three months ended June 30, 2017 and 2016 is presented below:
| Three Months Ended
| June 30,
| 2017 |  | 2016
| (Amounts in millions)
Non-cash financing activities: |  |  |
Accrued dividends | $ | — |  |  | $ | 13.3 |
There were no non-cash investing activities for the three months ended June 30, 2017 and 2016.

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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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