Revenue Recognition and Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2020
Contract With Customer Asset And Liability [Line Items]
Change in contract assets			$ 91,980
Contract with customer, contract assets classified as held for sale	$ 33,568		33,568
Contract with customer, contract liability classified as held for sale	13,670		13,670
Contract with Customer, Liability, Revenue Recognized			71,433
Contract with Customer, Asset, Net, Noncurrent	16,810		16,810		$ 22,662
Contract with Customer, Liability, Noncurrent	110,918		110,918		$ 91,265
Gulfstream G650 [Member]
Contract With Customer Asset And Liability [Line Items]
Change in contract assets			60,802
Revenue Benchmark [Member]
Contract With Customer Asset And Liability [Line Items]
Revenue recognized due to changes in estimates associated with performance obligations	$ (37)	$ 4,722	$ 4,577	$ 2,347