Fair Value Measurements (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Derivatives Fair Value [Line Items]
Interest rate cap agreements	$ (22,725)	$ (47,408)
Contingent consideration obligation		(3,000)
Total	(22,725)	(50,408)
Significant Other Observable Inputs (Level 2)
Derivatives Fair Value [Line Items]
Interest rate cap agreements	(22,725)	(47,408)
Total	$ (22,725)	(47,408)
Significant Unobservable Inputs (Level 3)
Derivatives Fair Value [Line Items]
Contingent consideration obligation		(3,000)
Total		$ (3,000)