General - Property Plant Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Property and equipment
Gross property and equipment	$ 505,020	$ 473,115
Less accumulated depreciation and amortization	(282,571)	(266,905)
Total	$ 222,449	206,210
Minimum
Property and equipment
Useful life (years)	1 year
Land
Property and equipment
Gross property and equipment	$ 32,864	32,865
Building
Property and equipment
Useful life (years)	39 years 6 months
Gross property and equipment	$ 36,112	35,094
Machinery and equipment
Property and equipment
Gross property and equipment	$ 177,397	149,494
Machinery and equipment \| Minimum
Property and equipment
Useful life (years)	1 year
Machinery and equipment \| Maximum
Property and equipment
Useful life (years)	10 years
Furniture and fixtures
Property and equipment
Gross property and equipment	$ 35,600	36,497
Furniture and fixtures \| Minimum
Property and equipment
Useful life (years)	3 years
Furniture and fixtures \| Maximum
Property and equipment
Useful life (years)	7 years
Computer software
Property and equipment
Gross property and equipment	$ 104,114	94,365
Computer software \| Minimum
Property and equipment
Useful life (years)	3 years
Computer software \| Maximum
Property and equipment
Useful life (years)	10 years
Leasehold improvements
Property and equipment
Gross property and equipment	$ 108,526	110,538
Leasehold improvements \| Minimum
Property and equipment
Useful life (years)	1 year
Leasehold improvements \| Maximum
Property and equipment
Useful life (years)	11 years
Construction in progress
Property and equipment
Gross property and equipment	$ 10,407	$ 14,262

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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