Revenue Recognition (Revenue disaggregated by timing of revenue recognition) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue From Contract With Customer [Abstract]
Revenues Recognized Over Time	$ 127,091	$ 108,038	$ 230,285	$ 187,853
Revenues recognized at a point in time	118,966	110,924	245,321	231,642
Total revenues recognized under ASC 606	246,057	218,962	475,606	419,495
Revenues recognized under ASC 840	1,373,925	1,355,934	2,661,956	2,546,944
Revenues recognized under ASC 944	52,373	52,578	99,060	98,892
Revenues recognized under ASC 320	30,509	36,780	64,082	71,779
Total revenues	$ 1,702,864	$ 1,664,254	$ 3,300,704	$ 3,137,110