Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities
Net income (loss)	$ (11,941)	$ (11,549)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	42,090	44,054
Loss on disposal of assets	221	993
Share-based compensation expense	18,672	28,131
Deferred income taxes	(7,948)	(11,019)
Amortization of operating lease right-of-use assets	3,900	4,225
Impairment and abandonment of operating lease right-of-use assets related to facilities	0	7,815
Inventory write-down	5,393	0
Amortization of debt issuance costs	1,943	2,091
Changes in operating assets and liabilities:
Accounts receivable and unbilled receivables	10,898	26,463
Inventories	11,160	17,820
Prepaid expenses	3,750	3,576
Other current assets	5,868	773
Investment in sales-type leases	(8,056)	(1,707)
Prepaid commissions	2,532	4,706
Other long-term assets	1,218	43
Accounts payable	4,751	(15,806)
Accrued compensation	(2,814)	(20,980)
Accrued liabilities	9,247	(4,646)
Deferred revenues	22,085	16,540
Operating lease liabilities	(5,512)	(5,396)
Other long-term liabilities	1,196	(454)
Net cash provided by operating activities	108,653	85,673
Investing Activities
External-use software development costs	(7,381)	(6,685)
Purchases of property and equipment	(18,508)	(21,772)
Net cash used in investing activities	(25,889)	(28,457)
Financing Activities
Proceeds from issuances under stock-based compensation plans	8,141	15,203
Employees’ taxes paid related to restricted stock units	(1,291)	(3,465)
Change in customer funds, net	(11,552)	(4,273)
Net cash provided by (used in) financing activities	(4,702)	7,465
Effect of exchange rate changes on cash and cash equivalents	(802)	148
Net increase in cash, cash equivalents, and restricted cash	77,260	64,829
Cash, cash equivalents, and restricted cash at beginning of period	500,979	352,835
Cash, cash equivalents, and restricted cash at end of period	578,239	417,664
Reconciliation of cash, cash equivalents, and restricted cash to the Condensed Consolidated Balance Sheets:
Cash and cash equivalents	556,781	399,464
Restricted cash included in other current assets	21,458	18,200
Cash, cash equivalents, and restricted cash at end of period	578,239	417,664
Supplemental disclosure of non-cash investing activities
Unpaid purchases of property and equipment	$ 656	$ 464