Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities
Net income (loss)	$ (5,996)	$ 34,056
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	65,596	64,843
Loss on disposal of property and equipment	2,110	331
Share-based compensation expense	43,113	50,731
Deferred income taxes	(14,165)	(17,061)
Amortization of operating lease right-of-use assets	6,238	9,709
Impairment and abandonment of operating lease right-of-use assets related to facilities	7,815	5,390
Amortization of debt issuance costs	3,139	3,121
Changes in operating assets and liabilities:
Accounts receivable and unbilled receivables	27,050	(116,895)
Inventories	31,690	(32,269)
Prepaid expenses	(857)	(2,602)
Other current assets	1,521	6,692
Investment in sales-type leases	(8,839)	(17,336)
Prepaid commissions	5,533	8,801
Other long-term assets	2,539	4,189
Accounts payable	(13,358)	2,043
Accrued compensation	(29,390)	(27,940)
Accrued liabilities	3,749	11,678
Deferred revenues	23,628	17,667
Operating lease liabilities	(8,145)	(10,966)
Other long-term liabilities	(291)	1,446
Net cash provided by (used in) operating activities	142,680	(4,372)
Investing Activities
External-use software development costs	(10,240)	(9,648)
Purchases of property and equipment	(32,404)	(33,861)
Business acquisition, net of cash acquired	0	(3,392)
Purchase price adjustments from business acquisitions	0	5,484
Net cash used in investing activities	(42,644)	(41,417)
Financing Activities
Proceeds from issuances under stock-based compensation plans	23,035	39,539
Employees’ taxes paid related to restricted stock units	(6,130)	(11,442)
Change in customer funds, net	(6,615)	(402)
Stock repurchases	0	(52,210)
Net cash provided by (used in) financing activities	10,290	(24,515)
Effect of exchange rate changes on cash and cash equivalents	(464)	(1,425)
Net increase (decrease) in cash, cash equivalents, and restricted cash	109,862	(71,729)
Cash, cash equivalents, and restricted cash at beginning of period	352,835	355,620
Cash, cash equivalents, and restricted cash at end of period	462,697	283,891
Reconciliation of cash, cash equivalents, and restricted cash to the Condensed Consolidated Balance Sheets:
Cash and cash equivalents	446,840	266,402
Restricted cash included in other current assets	15,857	17,489
Cash, cash equivalents, and restricted cash at end of period	462,697	283,891
Supplemental disclosure of non-cash investing activities
Unpaid purchases of property and equipment	642	1,473
Transfers between inventory and property and equipment, net	$ 0	$ 314