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Business and Basis of Presentation (Tables)
12 Months Ended
Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Property, Plant and Equipment
Property, plant and equipment are stated at cost and are depreciated using the straight-line method based on the following estimated useful lives:
 Years
Building
5 to 40
Machinery
3 to 15
Computer equipment and software
3 to 5
Furniture and fixtures
7 to 10
Leasehold improvements*
*Leasehold improvements are amortized over the lesser of the lease term or the estimated useful life of the related assets.
Property, plant and equipment, net consist of the following:
March 31,
(In thousands)20232022
Components of Property, Plant and Equipment
Land$550 $550 
Building30,447 29,046 
Machinery50,639 48,390 
Computer equipment26,413 25,245 
Furniture and fixtures3,229 3,238 
Leasehold improvements9,040 9,080 
Construction in progress17,089 16,466 
 137,407 132,015 
Accumulated depreciation(66,995)(60,715)
Property, plant and equipment, net$70,412 $71,300 
Computation of Basic and Diluted (Loss) Earnings Per Share The following table sets forth the computation of basic and diluted (loss) earnings per share:
Year Ended March 31,
 (In thousands, except per share data)202320222021
Numerator   
Net (loss) income $(82,306)$205,381 $164,682 
Denominator   
Denominator for basic (loss) earnings per share - weighted average shares outstanding49,889 50,259 50,210 
Dilutive effect of unvested restricted stock units and options issued to employees and directors— 583 395 
Denominator for diluted (loss) earnings per share49,889 50,842 50,605 
(Loss) earnings per Common Share:   
Basic net (loss) earnings per share$(1.65)$4.09 $3.28 
Diluted net (loss) earnings per share$(1.65)$4.04 $3.25