CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 877,501	$ 1,099,370
Marketable securities, short-term	22,138	71,972
Accounts receivable, net of allowance for doubtful accounts of $9,520 and $9,245, respectively	931,854	897,198
Inventories	310,046	230,230
Prepaid expenses and other current assets	235,265	195,305
Total current assets	2,376,804	2,494,075
Marketable securities, long-term	77,551	125,320
Property, plant and equipment, net	1,182,444	1,081,926
Operating lease right-of-use assets, net	117,912	121,257
Goodwill	390,100	418,547
Intangible assets, net	93,817	109,709
Deferred tax assets	1,518,648	1,533,767
Other assets	52,843	57,509
Total assets	5,810,119	5,942,110
Current liabilities:
Accounts payable	145,607	163,886
Accrued liabilities	416,459	607,315
Deferred revenues	1,242,348	1,152,870
Total current liabilities	1,804,414	1,924,071
Income tax payable	116,414	118,072
Operating lease liabilities	98,332	102,656
Other long-term liabilities	191,878	174,597
Total liabilities	2,211,038	2,319,396
Commitments and contingencies (Notes 6 and 7)
Stockholders’ equity:
Preferred stock, $0.0001 par value (5,000 shares authorized; none issued)	0	0
Common stock, $0.0001 par value (200,000 shares authorized; 78,059 and 78,710 issued and outstanding, respectively)	8	8
Additional paid-in capital	1,016,882	999,006
Accumulated other comprehensive income (loss), net	(19,770)	4,326
Retained earnings	2,601,961	2,619,374
Total stockholders’ equity	3,599,081	3,622,714
Total liabilities and stockholders’ equity	$ 5,810,119	$ 5,942,110