CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 186,094	$ 202,655
Current investments, amortized cost of $60,725 and $132,799 in 2024 and 2023, respectively, allowance for credit losses of $0 in 2024 and 2023	59,956	129,392
Accounts receivable, allowance for credit losses of $827 and $583 in 2024 and 2023, respectively	143,359	114,164
Unbilled revenue	3,055	2,402
Inventories	157,527	162,285
Prepaid expenses and other current assets	63,376	68,099
Total current assets	613,367	678,997
Non-current investments, amortized cost of $345,033 and $250,790 in 2024 and 2023, respectively, allowance for credit losses of $0 in 2024 and 2023	340,898	244,230
Property, plant, and equipment, net	98,445	105,849
Operating lease assets	67,326	75,115
Goodwill	384,937	393,181
Intangible assets, net	90,684	112,952
Deferred income taxes	392,166	400,400
Other assets	5,027	7,088
Total assets	1,992,850	2,017,812
Current liabilities:
Accounts payable	38,046	21,454
Accrued expenses	71,760	72,374
Accrued income taxes	25,685	16,907
Deferred revenue and customer deposits	25,035	31,525
Operating lease liabilities	8,854	9,624
Total current liabilities	169,380	151,884
Non-current operating lease liabilities	61,363	68,977
Deferred income taxes	217,155	246,877
Reserve for income taxes	26,365	26,685
Non-current accrued income taxes	0	18,338
Other liabilities	1,082	299
Total liabilities	475,345	513,060
Commitments and contingencies (Note 11)
Authorized shares (in shares)	400,000	400,000
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Shareholders’ equity:
Preferred stock, $0.01 par value - Authorized: 400 shares in 2024 and 2023, respectively, no shares issued and outstanding	$ 0	$ 0
Common stock, $0.002 par value – Authorized: 300,000 shares in 2024 and 2023, respectively, issued and outstanding: 170,434 and 171,599 shares in 2024 and 2023, respectively	341	343
Additional paid-in capital	1,090,638	1,037,202
Retained earnings	499,303	512,543
Accumulated other comprehensive loss, net of tax	(72,777)	(45,336)
Total shareholders’ equity	1,517,505	1,504,752
Total liabilities and shareholders' equity	$ 1,992,850	$ 2,017,812