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Additional Financial Information (Other Assets) (Details) - USD ($) $ in Millions | Mar. 31, 2019 | Apr. 01, 2018 | [2] | Mar. 31, 2018
--- | --- | --- | --- | ---
Other current assets |  |  |  |  |  |
Prepaid expenses and other |  | $ 150.6 |  |  | $ 34.1 |
Product inventory |  | 19.9 |  |  | 20.3 |
Tax credits receivable |  | 96.7 |  |  | 141.4 |
Other current assets |  | 267.2 |  |  | 195.8 |
Other non-current assets |  |  |  |  |  |
Prepaid expenses and other | [1] | 109.2 |  |  | 23.8 |
Accounts receivable |  | 176.1 | [1],[2] | $ 257.7 | 325.2 | [1]
Tax credits receivable |  | 150.8 |  |  | 109.6 |
Other non-current assets |  | 436.1 |  |  | 458.6 |
Unamortized discount on contract assets |  | 3.9 |  |  |  |
Unamortized discount on long-term receivable |  | $ 9.7 |  |  | $ 18.0 |
[1] | Unamortized discounts on contract assets included in prepaid expenses and other were $3.9 million at March 31, 2019, and unamortized discounts on long-term, non-interest bearing receivables were $9.7 million and $18.0 million at March 31, 2019 and 2018, respectively.
[2] | Included in accounts receivable within non-current other assets in the consolidated balance sheets.

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