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Business and Basis of Presentation (Tables)

12 Months Ended

Mar. 31, 2022

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)			2022						2021
Components of Property, Plant and Equipment
Land			$	550					$	550
Building			29,046						27,180
Machinery			48,390						45,371
Computer equipment			25,245						24,449
Furniture and fixtures			3,238						3,256
Leasehold improvements			9,080						9,071
Construction in progress			16,466						14,537
			132,015						124,414
Accumulated depreciation			(60,715)						(54,355)
Property, plant and equipment, net			$	71,300					$	70,059

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

			Year Ended March 31,
(In thousands, except per share data)			2022						2021						2020
Numerator
Net income			$	205,381					$	164,682					$	142,281
Denominator
Denominator for basic earnings per share - weighted average shares outstanding			50,259						50,210						50,723
Dilutive effect of unvested restricted stock units and options issued to employees and directors			583						395						417
Denominator for diluted earnings per share			50,842						50,605						51,140
Earnings per Common Share:
Basic net earnings per share			$	4.09					$	3.28					$	2.81
Diluted net earnings per share			$	4.04					$	3.25					$	2.78

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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