Fair Value Measurements (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020
Derivatives Fair Value [Line Items]
Interest rate cap agreements	$ (44,503)	$ (47,408)
Contingent consideration obligation	(550)	(3,000)
Total	(45,053)	(50,408)
Significant Other Observable Inputs (Level 2)
Derivatives Fair Value [Line Items]
Interest rate cap agreements	(44,503)	(47,408)
Total	(44,503)	(47,408)
Significant Unobservable Inputs (Level 3)
Derivatives Fair Value [Line Items]
Contingent consideration obligation	(550)	(3,000)
Total	$ (550)	$ (3,000)