Commitments (Tables)

12 Months Ended

Mar. 31, 2018

Commitments [Abstract]

Future minimum lease commitments

The future minimum lease commitments under these operating leases at March 31, 2018 were as follows (amounts in millions):

Year Ending March 31,	Amount
2019	$	26.0
2020	18.7
2021	13.3
2022	10.2
2023	1.7
Thereafter	—
Total minimum payments	$	69.9