Property, Plant and Equipment (Tables)

12 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Composition of Assets Grouped by Major Classifications

a.Composition of assets grouped by major classifications are as follows:

	March 31,
	2022		2021
Cost:
Land	$	7,628	$	7,628
Buildings		192,922		190,617
Leasehold improvements		5,211		3,552
Machinery and equipment		225,626		219,210
Computer software and equipment		64,164		46,087
Motor vehicles		80		80
Furniture, fixtures and office equipment		15,051		15,542
		510,682		482,716
Accumulated depreciation and impairment charges:
Buildings	$	92,378	$	85,139
Leasehold improvements		3,171		2,084
Machinery and equipment		163,266		153,628
Computer software and equipment		40,474		25,445
Motor vehicles		80		80
Furniture, fixtures and office equipment		11,621		10,832
		310,990		277,208
Depreciated cost	$	199,692	$	205,508