Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 10, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 4,390,000
Accumulated Amortization		(24,194)	$ 0	$ 0
Net		4,365,806
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		3,056,000
Accumulated Amortization		(13,064)
Net		$ 3,042,936
Customer Relationships [Member] | Weighted Average [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life		15 years 2 months 12 days
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 1,188,000
Accumulated Amortization		(10,290)
Net		$ 1,177,710
Technology-Based Intangible Assets [Member] | Weighted Average [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life		9 years 2 months 12 days
Tradenames [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life	18 years	18 years
Gross Carrying Amount		$ 146,000
Accumulated Amortization		(840)
Net		$ 145,160
Tradenames [Member] | Weighted Average [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life		18 years