Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,008,152	$ 882,325
Receivables, net	489,224	486,710
Inventories	181,661	128,005
Prepaid expenses and other	297,180	209,727
Total current assets	1,976,217	1,706,767
Property, plant and equipment, net	403,213	371,451
Goodwill	1,535,845	1,374,268
Acquired intangibles, net	336,843	354,617
Deferred taxes	880,001	853,691
Other assets	537,372	476,277
Total assets	5,669,491	5,137,071
Current liabilities:
Revolving credit facility	0	100,000
Current portion of long-term debt	349,285	0
Accounts payable and accrued liabilities	576,558	557,158
Current portion of deferred revenue	665,024	690,538
Total current liabilities	1,590,867	1,347,696
Long-term liabilities:
Long-term portion of deferred revenue	98,931	91,524
Long-term debt	299,771	648,078
Other long-term liabilities	275,651	304,660
Total long-term liabilities	674,353	1,044,262
Commitments and contingencies
Stockholders' equity:
Preferred stock – $0.01 par value; authorized 400 shares, none issued or outstanding	0	0
Common stock – $0.01 par value; authorized 600,000 shares; issued and outstanding shares: 271,706 and 272,675, respectively	3,166,964	2,765,673
Treasury stock, at cost; 57,453 shares and 56,485 shares, respectively	(4,604,323)	(3,824,163)
Retained earnings	4,936,384	3,895,240
Accumulated other comprehensive loss	(94,754)	(91,637)
Total stockholders’ equity	3,404,271	2,745,113
Total liabilities and stockholders’ equity	$ 5,669,491	$ 5,137,071