Quarterly Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Effect of Fourth Quarter Events [Line Items]
Revenues		$ 4,957,839	$ 4,585,064	$ 3,107,519
Cost of revenues:
Cost of Goods and Services Sold		2,798,147	2,568,702	1,764,419
Gross Profit		2,159,692	2,016,362	1,343,100
Restructuring expenses	[1]	485	48	(3,029)
Net Income (Loss) Attributable to Parent		$ 107,030	$ 243,888	$ 397,400
Earnings Per Share, Basic		$ 1.07	$ 2.50	$ 4.66
Earnings Per Share, Diluted		$ 1.07	$ 2.48	$ 4.63
Service [Member]
Effect of Fourth Quarter Events [Line Items]
Revenues		$ 2,172,512	$ 2,028,783	$ 1,663,979
Cost of revenues:
Cost of Goods and Services Sold		1,284,177	1,148,777	999,343
Product [Member]
Effect of Fourth Quarter Events [Line Items]
Revenues		2,785,327	2,556,281	1,443,540
Cost of revenues:
Cost of Goods and Services Sold		$ 1,513,970	$ 1,419,925	$ 765,076

[1] For more information regarding our restructuring efforts, refer to our Annual Report on Form 10-K for the year ended March 31, 2021, dated May 28, 2021.