Incentive Compensation Plans (Tables)

12 Months Ended

Mar. 31, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of Valuation Assumptions

								Replacement
		Time-Vesting			Exit-Vesting			Exit-Vesting
		Options			Options			Restricted Stock
Year Ended March 31, 2020:
Weighted average fair value	$	2.10		$	0.08		$	2.15
Expected dividend yield		—	%		—	%		—	%
Expected volatility		52.0	%		50.9	%		76.9	%
Risk-free interest rate		0.3	%		0.3	%		0.9	%
Expected term (years)		3.8			4.1			0.9
Year Ended March 31, 2019:
Weighted average fair value	$	9.78		$	5.90		$	12.80
Expected dividend yield		—	%		—	%		—	%
Expected volatility		52.5	%		52.9	%		62.2	%
Risk-free interest rate		2.2	%		2.2	%		2.3	%
Expected term (years)		4.5			5.1			1.9

Schedule of Omnibus Incentive Plan Activity

			Cash Settled
	Restricted	Deferred	Restricted	Performance
	Stock Units	Stock Units	Stock Units	Stock Units
Outstanding at April 1, 2019	—	—	—	—
Granted	4,846,058	45,704	597,006	1,079,621
Cancelled	(377,969)	—	(119,445)	(113,932)
Outstanding at March 31, 2020	4,468,089	45,704	477,561	965,689

Replacement Time-Vesting Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Option Activity

	Replacement				Weighted Average		Aggregate
	Time-Vesting	Weighted Average			Remaining		Intrinsic
	Options	Exercise Price		Contractual Term		Value
Outstanding at April 1, 2019	4,529,291	$	11.76		4.4	$	39,896
Exercised	(708,969)		15.66		—		5,077
Forfeited	(361,578)		—		—		74
Outstanding at March 31, 2020	3,458,744	$	11.95		3.3	$	4,083
Exercisable at March 31, 2020	3,458,744	$	11.95		3.3	$	4,083

Replacement Exit-Vesting Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Replacement Exit-Vesting Restricted Stock Activity

	Replacement Exit-Vesting
	Restricted Stock
Unvested at April 1, 2019	1,261,599
Canceled	(255,881)
Unvested at March 31, 2020	1,005,718

Time-Vesting and Exit-Vesting Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Option Activity

							Weighted Average
			Weighted Average				Remaining		Aggregate
	Awards		Exercise Price				Contractual Term		Intrinsic Value
	Time-Vesting	Exit-Vesting	Time-Vesting		Exit-Vesting		Time-Vesting	Exit-Vesting	Time-Vesting		Exit-Vesting
	Options	Options	Options		Options		Options	Options	Options		Options
Outstanding at April 1, 2019	6,988,403	6,504,544	$	18.99	$	18.99	8.0	8.0	$	11,058	$	10,292
Forfeited	(1,256,156)	(1,250,440)		18.99		18.99	—	—		—		—
Outstanding at March 31, 2020	5,732,247	5,254,104		18.99		18.99	7.6	7.6		—		—
Exercisable at March 31, 2020	3,743,688	—	$	18.99	$	—	7.5	—	$	—	$	—