Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment (Details)

v3.19.2
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 105,153 $ 102,060  
Accumulated Depreciation (30,198) (27,575)  
Property, plant and equipment, net 74,955 74,485  
Depreciation expense 9,194 7,962 $ 6,060
Land, buildings and improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 51,834 50,808  
Machinery and equipment      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 23,685 24,182  
Office furniture and equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 21,660 20,818  
Internally developed software [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 4,979 4,069  
Depreciation expense 479 495 $ 496
Construction in Progress [Member]      
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 2,995 $ 2,183