Revenue Recognition (Revenue disaggregated by timing of revenue recognition) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Revenue From Contract With Customer [Abstract]
Revenues Recognized Over Time	$ 73,785	$ 69,797	$ 283,468	$ 300,082
Revenues recognized at a point in time	85,732	92,698	315,084	338,019
Total revenues recognized under ASC 606	159,517	162,495	598,552	638,101
Revenues recognized under ASC 840	1,072,028	1,110,247	3,599,867	3,772,203
Revenues recognized under ASC 944	50,512	50,300	144,476	149,360
Revenues recognized under ASC 320	57,457	52,294	186,787	116,376
Total revenues	$ 1,339,514	$ 1,375,336	$ 4,529,682	$ 4,676,040