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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000104889-18-000046
Filing Date
2018-10-31
Accepted
2018-10-31 09:09:22
Documents
93
Period of Report
2018-09-30

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d10q.htm 10-Q 1809863
2 EXHIBIT 31.1 dex311.htm EX-31.1 10411
3 EXHIBIT 31.2 dex312.htm EX-31.2 10244
4 EXHIBIT 32 dex32.htm EX-32 6395
  Complete submission text file 0000104889-18-000046.txt   12934039

Data Files

Seq Description Document Type Size
5 XBRL INSTANCE DOCUMENT ghc-20180930.xml EX-101.INS 3475991
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ghc-20180930.xsd EX-101.SCH 84787
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ghc-20180930_cal.xml EX-101.CAL 146691
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ghc-20180930_def.xml EX-101.DEF 569830
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ghc-20180930_lab.xml EX-101.LAB 1065563
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ghc-20180930_pre.xml EX-101.PRE 735573
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-Q | Act: 34 | File No.: 001-06714 | Film No.: 181148827
SIC: 8200 Services-Educational Services
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