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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000104889-21-000018
Filing Date
2021-02-24
Accepted
2021-02-24 11:07:02
Documents
134
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K ghc-20201231.htm   iXBRL 10-K 4915425
2 EXHIBIT 21 a2020q410-kex21.htm EX-21 296959
3 EXHIBIT 23 a2020q410-kex23.htm EX-23 2141
4 EXHIBIT 24 a2020q410-kex24.htm EX-24 12742
5 EXHIBIT 31.1 a2020q410-kex311.htm EX-31.1 8324
6 EXHIBIT 31.2 a2020q410-kex312.htm EX-31.2 8263
7 EXHIBIT 32 a2020q410-kex32.htm EX-32 5491
13 GHC STOCK GRAPH ghc-20201231_g1.jpg GRAPHIC 39364
  Complete submission text file 0000104889-21-000018.txt   25449990

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ghc-20201231.xsd EX-101.SCH 139928
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ghc-20201231_cal.xml EX-101.CAL 232182
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ghc-20201231_def.xml EX-101.DEF 1055400
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ghc-20201231_lab.xml EX-101.LAB 1703736
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ghc-20201231_pre.xml EX-101.PRE 1284999
14 EXTRACTED XBRL INSTANCE DOCUMENT ghc-20201231_htm.xml XML 5536832
Mailing Address 1300 NORTH 17TH STREET SUITE 1700 ARLINGTON VA 22209
Business Address 1300 NORTH 17TH STREET SUITE 1700 ARLINGTON VA 22209 7033456300
Graham Holdings Co (Filer) CIK: 0000104889 (see all company filings)

IRS No.: 530182885 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-06714 | Film No.: 21669895
SIC: 8200 Services-Educational Services