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Leases (Narratives) (Details) $ in Millions | 9 Months Ended
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Dec. 31, 2019 USD ($)
Leases [Abstract] |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability | $ 105.4
Right Of Use Asset Obtained In Exchange For Finance Lease Liability | 948.2
Cash paid for operating leases | 18.9
Cash paid for finance leases | $ 247.2

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