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Commitments and Contingencies Schedule of Future Minimum Commitment Payments (Details) $ in Millions	Mar. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 18.4
Operating Leases, Future Minimum Payments, Due in Two Years	15.3
Operating Leases, Future Minimum Payments, Due in Three Years	11.7
Operating Leases, Future Minimum Payments, Due in Four Years	7.5
Operating Leases, Future Minimum Payments, Due in Five Years	5.1
Operating Leases, Future Minimum Payments, Due Thereafter	8.2
Operating Leases, Future Minimum Payments Due	66.2
Purchase Obligation, Due in Next Twelve Months	0.4
Purchase Obligation, Due in Second Year	0.4
Purchase Obligation, Due in Third Year	0.4
Purchase Obligation, Due in Fourth Year	0.4
Purchase Obligation, Thereafter	8.2
Purchase Obligation	10.2
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months	$ 5.2

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Minimum amount of purchase arrangement maturing after fifth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments.

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Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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