Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 556,781	$ 467,972
Accounts receivable and unbilled receivables, net of allowances of $6,474 and $5,564, respectively	241,127	252,025
Inventories	93,262	110,099
Prepaid expenses	22,216	25,966
Other current assets	82,282	71,509
Total current assets	995,668	927,571
Property and equipment, net	110,982	108,601
Long-term investment in sales-type leases, net	50,302	42,954
Operating lease right-of-use assets	26,438	24,988
Goodwill	735,351	735,810
Intangible assets, net	199,425	211,173
Long-term deferred tax assets	40,555	32,901
Prepaid commissions	49,882	52,414
Other long-term assets	83,054	90,466
Total assets	2,291,657	2,226,878
Current liabilities:
Accounts payable	49,747	45,028
Accrued compensation	48,940	51,754
Accrued liabilities	158,119	149,276
Deferred revenues	150,316	121,734
Total current liabilities	407,122	367,792
Long-term deferred revenues	67,931	58,622
Long-term deferred tax liabilities	1,326	1,620
Long-term operating lease liabilities	33,739	33,910
Other long-term liabilities	7,514	6,318
Convertible senior notes, net	571,217	569,662
Total liabilities	1,088,849	1,037,924
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000 shares authorized; no shares issued	0	0
Common stock, $0.001 par value, 100,000 shares authorized; 56,277 and 55,822 shares issued; 45,994 and 45,539 shares outstanding, respectively	56	56
Treasury stock at cost, 10,283 shares outstanding, respectively	(290,319)	(290,319)
Additional paid-in capital	1,149,533	1,122,292
Retained earnings	358,416	370,357
Accumulated other comprehensive loss	(14,878)	(13,432)
Total stockholders’ equity	1,202,808	1,188,954
Total liabilities and stockholders’ equity	$ 2,291,657	$ 2,226,878