FIXED ASSETS

12 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

FIXED ASSETS

FIXED ASSETS

Fixed assets consisted of the following (in thousands):

	Estimated Useful Life in Years	March 31,
		2023		2022
Furniture and fixtures	3-7	$	9,786	$	9,757
Computer equipment and internal use software	3-5	192,168		185,177
Leasehold improvements (1)	up to 12	54,863		54,442
Demonstration and spare part units	2-5	18,733		18,254
		275,550		267,630
Less – accumulated depreciation		(240,815)		(226,293)
		$	34,735	$	41,337

(1) Leasehold improvements are depreciated over the shorter of the lease term or anticipated useful life of the improvement.

Depreciation expense was $18.8 million, $20.1 million and $22.4 million for the fiscal years ended March 31, 2023, 2022 and 2021, respectively.