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Investments (Summarized Statement Of Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Reconciliation of net income (loss) reported by investee to equity interest income (loss): |  |  |  |
Total equity interest income (loss) recorded | $ (11.0) | $ (13.8) | $ (28.8) | $ (34.8)
Other |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Revenues | 31.5 | 61.0 | 85.0 | 148.7
Expenses: |  |  |  |
Gross profit | 8.1 | 12.3 | 27.7 | 30.2
Reconciliation of net income (loss) reported by investee to equity interest income (loss): |  |  |  |
Net income (loss) | (26.5) | (32.7) | (81.8) | (95.2)
Pop |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Revenues | 24.3 | 33.0 | 75.8 | 86.0
Expenses: |  |  |  |
Cost of services | 17.9 | 19.8 | 43.4 | 50.5
Selling, marketing and general and administrative expenses | 11.6 | 14.1 | 35.1 | 37.3
Depreciation and amortization | 1.9 | 2.0 | 5.9 | 6.1
Operating income (loss) | (7.1) | (2.9) | (8.6) | (7.9)
Interest expense, net | 0.7 | 0.2 | 1.6 | 0.6
Accretion of redeemable preferred stock units | 24.3 | 20.1 | 68.6 | 58.1
Total interest expense, net | 25.0 | 20.3 | 70.2 | 58.7
Reconciliation of net income (loss) reported by investee to equity interest income (loss): |  |  |  |
Net income (loss) | $ (32.1) | $ (23.2) | $ (78.8) | $ (66.6)
Ownership interest in investee | 50.00% | 50.00% | 50.00% | 50.00%
The Company's share of net income (loss) | $ (16.1) | $ (11.6) | $ (39.4) | $ (33.3)
Accretion of dividend and interest income of redeemable preferred stock units | 12.1 | 10.1 | 34.3 | 29.0
Eliminations of the Company's share of profits on licensing sales to investee | 0.0 | (0.2) | (0.2) | (0.3)
Realization of the Company's share of profits on licensing sales to investee | 0.4 | 0.3 | 0.6 | 0.7
Total equity interest income (loss) recorded | $ (3.6) | $ (1.4) | $ (4.7) | $ (3.9)

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