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Property, Plant and Equipment (Tables)
12 Months Ended
Mar. 31, 2020
Property, Plant and Equipment [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
Building15 - 40
Machinery3 - 15
Computer equipment and software3 - 5
Furniture and fixtures7 - 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)20202019
Components of Property, Plant and Equipment
Land$550  $550  
Building16,508  13,960  
Machinery42,299  38,761  
Computer equipment22,396  20,716  
Furniture and fixtures3,242  3,200  
Leasehold improvements8,964  9,090  
Construction in progress7,769  3,711  
 101,728  89,988  
Accumulated depreciation(45,740) (38,812) 
Property, plant and equipment, net$55,988  $51,176