Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 512,364	$ 467,972
Accounts receivable and unbilled receivables, net of allowances of $6,463 and $5,564, respectively	248,512	252,025
Inventories	103,466	110,099
Prepaid expenses	26,585	25,966
Other current assets	98,991	71,509
Total current assets	989,918	927,571
Property and equipment, net	109,034	108,601
Long-term investment in sales-type leases, net	43,909	42,954
Operating lease right-of-use assets	26,531	24,988
Goodwill	735,357	735,810
Intangible assets, net	205,115	211,173
Long-term deferred tax assets	37,383	32,901
Prepaid commissions	50,191	52,414
Other long-term assets	86,317	90,466
Total assets	2,283,755	2,226,878
Current liabilities:
Accounts payable	43,145	45,028
Accrued compensation	41,446	51,754
Accrued liabilities	167,187	149,276
Deferred revenues	164,586	121,734
Total current liabilities	416,364	367,792
Long-term deferred revenues	65,195	58,622
Long-term deferred tax liabilities	1,493	1,620
Long-term operating lease liabilities	34,568	33,910
Other long-term liabilities	7,099	6,318
Convertible senior notes, net	570,439	569,662
Total liabilities	1,095,158	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; 56,207 and 55,822 shares issued; 45,924 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	1,139,010	1,122,292
Retained earnings	354,681	370,357
Accumulated other comprehensive loss	(14,831)	(13,432)
Total stockholders’ equity	1,188,597	1,188,954
Total liabilities and stockholders’ equity	$ 2,283,755	$ 2,226,878