Fair Value Measurements (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Derivatives Fair Value [Line Items]
Interest rate cap agreements	$ (47,408)
Contingent consideration obligation	(3,000)
Freestanding derivative	0	$ 81,264
Total	(50,408)	81,264
Significant Other Observable Inputs (Level 2)
Derivatives Fair Value [Line Items]
Interest rate cap agreements	(47,408)
Total	(47,408)
Significant Unobservable Inputs (Level 3)
Derivatives Fair Value [Line Items]
Contingent consideration obligation	(3,000)
Freestanding derivative		81,264
Total	$ (3,000)	$ 81,264