Interest Rate Cap Agreements (Schedule of Fair Value of Derivative Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022
Derivatives Fair Value [Line Items]
Prepaid expenses and other current assets	$ 204,357	$ 177,659
Other noncurrent assets, net	613,698	600,061
Accrued expenses	(383,368)	(461,506)
Other long-term liabilities	(68,581)	(73,118)
Designated as Hedging Instrument [Member] | Interest Rate Cap Agreements [Member]
Derivatives Fair Value [Line Items]
Prepaid expenses and other current assets	19,286	7,214
Other noncurrent assets, net	14,842	18,257
Fair Values of Derivative Instruments Asset (Liability) Derivatives	$ 34,128	$ 25,471