Derivative Financial Instruments (Tables)

12 Months Ended

Mar. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives Designated as Hedging Instruments

The following tables indicate the location and the fair value of the Company's non-qualifying, non-designated derivative instruments within the consolidated balance sheets (in millions):

	March 31, 2019		March 31, 2018		Balance Sheet Classification
	Asset Derivatives
Foreign currency forward contracts	$	—	$	0.5	Other current assets
	Liability Derivatives
Interest rate derivatives	$	—	$	0.8	Other current liabilities

Schedules of Gains and Losses Associated with Derivative Instruments

The following table segregates the location and the amount of gains or losses associated with the changes in the fair value of the Company's derivative instruments, net of tax, within the consolidated balance sheets (for instruments no longer qualifying for hedge accounting under ASC 815) and recognized within the consolidated statements of operations (for non-qualifying, non-designated derivative instruments):

	Amount of (gain) loss recognized in accumulated other comprehensive loss
Derivative instruments no longer qualifying for hedge accounting under ASC 815 (in millions)
	March 31, 2019			March 31, 2018
Interest rate derivatives	$	(0.8	)	$	3.7

Schedule of Other Derivatives Not Designated as Hedging Instruments

		Amount recognized as (income) expense
Non-qualifying, non-designated derivative instruments (in millions)	Consolidated Statements of Operations Classification	Fiscal Years Ended
		March 31, 2019			March 31, 2018			March 31, 2017
Foreign currency forward contracts	Other expense (income), net	$	0.2		$	—		$	(0.5	)
Interest rate derivatives	Interest expense, net	$	(0.8	)	$	(5.0	)	$	—