Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net income	$ 34,056	$ 63,868
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	64,843	53,140
Loss on disposal of property and equipment	331	297
Share-based compensation expense	50,731	38,477
Deferred income taxes	(17,061)	2,042
Amortization of operating lease right-of-use assets	9,709	8,764
Impairment and abandonment of operating lease right-of-use assets related to facilities	5,390	0
Amortization of debt issuance costs	3,121	2,570
Amortization of discount on convertible senior notes	0	13,874
Changes in operating assets and liabilities:
Accounts receivable and unbilled receivables	(116,895)	(39,561)
Inventories	(32,269)	(10,138)
Prepaid expenses	(2,602)	(8,229)
Other current assets	6,692	(1,059)
Investment in sales-type leases	(17,336)	2,686
Prepaid commissions	8,801	(1,030)
Other long-term assets	4,189	2,567
Accounts payable	2,043	33,111
Accrued compensation	(27,940)	(12,018)
Accrued liabilities	11,678	20,149
Deferred revenues	17,667	21,225
Operating lease liabilities	(10,966)	(9,392)
Other long-term liabilities	1,446	(9,166)
Net cash provided by (used in) operating activities	(4,372)	172,177
Investing Activities
Software development for external use	(9,648)	(24,141)
Purchases of property and equipment	(33,861)	(17,892)
Business acquisitions, net of cash acquired	(3,392)	(178,080)
Purchase price adjustments from business acquisitions	5,484	0
Net cash used in investing activities	(41,417)	(220,113)
Financing Activities
Proceeds from issuances under stock-based compensation plans	39,539	53,917
Employees’ taxes paid related to restricted stock units	(11,442)	(10,161)
Change in customer funds, net	(402)	(3,059)
Stock repurchases	(52,210)	0
Net cash provided by (used in) financing activities	(24,515)	40,697
Effect of exchange rate changes on cash and cash equivalents	(1,425)	(492)
Net decrease in cash, cash equivalents, and restricted cash	(71,729)	(7,731)
Cash, cash equivalents, and restricted cash at beginning of period	355,620	489,920
Cash, cash equivalents, and restricted cash at end of period	283,891	482,189
Reconciliation of cash, cash equivalents, and restricted cash to the Condensed Consolidated Balance Sheets:
Cash and cash equivalents	266,402	481,549
Restricted cash included in other current assets	17,489	640
Cash, cash equivalents, and restricted cash at end of period	283,891	482,189
Supplemental disclosure of non-cash activities
Unpaid purchases of property and equipment	1,473	691
Transfers between inventory and property and equipment, net	$ 314	$ 1,876