CERTAIN BALANCE SHEET COMPONENTS (Tables)

12 Months Ended

Dec. 31, 2023

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventories

Inventories:	December 31,
(in thousands)	2023		2022
Finished goods	$	43,987	$	65,308
Raw materials	27,806		46,081
Work-in-process	5,056		3,251
Service-related spares	7,133		6,309
Total	$	83,982	$	120,949

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets:	December 31,
(in thousands)	2023		2022
Prepaid expenses	$	3,789	$	5,558
Contract assets (1)	4,772		5,583
Other current assets	12,389		15,196
Total	$	20,950	$	26,337

(1) Contract assets reflect the satisfied performance obligations for which the Company does not yet have an unconditional right to consideration.

Schedule of Property and Equipment, Net

Property and equipment, net:	December 31,
(in thousands)	2023		2022
Machinery and equipment	$	74,659	$	75,589
Capitalized software	27,129		30,588
Leasehold improvements	40,931		39,199
Furniture and fixtures	2,547		2,739
Construction-in-progress	1,789		2,691
Property and equipment, gross	147,055		150,806
Less: accumulated depreciation and amortization	(110,372)		(110,992)
Total	$	36,683	$	39,814

Schedule of Other Current Liabilities

Other current liabilities:	December 31,
(in thousands)	2023		2022
Accrued employee compensation and related expenses	$	22,779	$	29,675
Other	38,245		37,049
Total	$	61,024	$	66,724