Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Operating lease, right-of-use asset	$ 180,424	$ 156,942
Operating lease, liability	$ 217,086	$ 195,590
Weighted-average remaining lease term	7 years 3 months 18 days	6 years 8 months 12 days
Weighted-average discount rate	4.58%	5.94%