Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
ASSETS:
Cash and cash equivalents	$ 859,902	$ 662,205
Short-term investments	477,196	328,913
Restricted investments	5,560	5,560
Accounts receivable, net	417,714	419,424
Inventories:
Raw materials	121,660	126,911
Work in process	145,623	151,931
Finished goods	321,628	343,411
Total inventories	588,911	622,253
Prepaid expenses	104,590	90,621
Other current assets	12,413	10,859
Total current assets	2,466,286	2,139,835
Property, plant, and equipment	1,454,941	1,452,761
Less: accumulated depreciation and amortization	978,293	961,390
Property, plant and equipment, net	476,648	491,371
Operating lease right-of-use assets	204,191	202,136
Goodwill, net	291,916	291,916
Purchased intangibles, net	177,073	199,497
Other investments	16,230,635	9,561,140
Other assets	106,631	86,723
Assets	19,953,380	12,972,618
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable	136,398	139,451
Accrued payroll and employee benefits	243,946	222,875
Current maturities of long-term debt and notes payable	1,739	1,798
Income and other taxes payable	54,050	57,335
Current operating lease liabilities	36,062	36,507
Other current liabilities	177,721	173,570
Total current liabilities	649,916	631,536
Long-term debt, net of current maturities	10,645	12,258
Deferred income taxes	3,569,332	2,076,785
Operating lease liabilities	176,818	175,128
Other long-term liabilities	214,291	196,971
Total liabilities	4,621,002	3,092,678
Stockholders' equity:
Additional paid-in capital	421,203	429,376
Retained earnings	15,080,854	9,268,012
Accumulated other comprehensive loss	(63,041)	282,456
Total stockholders' equity	15,332,378	9,879,940
Total liabilities and stockholders' equity	19,953,380	12,972,618
Common Class A [Member]
Stockholders' equity:
Common stock	2	2
Common Class B [Member]
Stockholders' equity:
Common stock	1	1
Treasury Class A [Member]
Stockholders' equity:
Treasury stock	$ (106,641)	$ (99,907)

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522