Fair Value Measurements (Tables)

12 Months Ended

Mar. 31, 2020

Fair Value Measurements [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

			Quoted in				Significant
	Balance at		Markets		Significant Other		Unobservable
	March 31,		Identical		Observable Inputs		Inputs
Description	2020		(Level 1)		(Level 2)		(Level 3)
Interest rate cap agreements	$	(47,408)	$	—	$	(47,408)	$	—
Contingent consideration obligation		(3,000)		—		—		(3,000)
Total	$	(50,408)	$	—	$	(47,408)	$	(3,000)

			Quoted in				Significant
	Balance at		Markets		Significant Other		Unobservable
	March 31,		Identical		Observable Inputs		Inputs
Description	2019		(Level 1)		(Level 2)		(Level 3)
Freestanding derivative	$	81,264	$	—	$	—	$	81,264
Total	$	81,264	$	—	$	—	$	81,264

Reconciliation of Fair Value Derivative Using Unobservable Inputs

	Year Ended		Year Ended
	March 31, 2020		March 31, 2019
Balance at beginning of period	$	81,264	$	59,116
Increase in fair value based on ASC 505 equity-based compensation		—		20,135
Settlements due to exercise of awards		(5,077)		(1,297)
Change in fair value of equity-based awards		(33,409)		3,310
Settlement as component of Merger purchase price		(42,778)		—
Balance at end of period	$	—	$	81,264

Carrying Amount and Estimated Fair Value of Financial Instruments

	March 31, 2020				March 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Cash and cash equivalents	$	410,405	$	410,405	$	3,409	$	3,409
Accounts receivable	$	740,105	$	740,105	$	—	$	—
Investment in business purchase option	$	146,500	$	146,500	$	—	$	—
Senior Credit Facilities (Level 2)	$	3,682,457	$	3,452,687	$	—	$	—
Senior Notes (Level 2)	$	997,772	$	950,000	$	—	$	—
Debt component of tangible equity units (Level 2)	$	35,431	$	34,806	$	—	$	—