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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001564590-21-024496
Filing Date
2021-05-06
Accepted
2021-05-06 07:00:50
Documents
77
Period of Report
2021-03-31

Document Format Files

Seq Description Document Type Size
1 10-Q hmhc-10q_20210331.htm   iXBRL 10-Q 2098680
2 EX-31.1 hmhc-ex311_10.htm EX-31.1 13519
3 EX-31.2 hmhc-ex312_6.htm EX-31.2 13531
4 EX-32.1 hmhc-ex321_8.htm EX-32.1 7268
5 EX-32.2 hmhc-ex322_7.htm EX-32.2 7368
  Complete submission text file 0001564590-21-024496.txt   8487410

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA hmhc-20210331.xsd EX-101.SCH 51934
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE hmhc-20210331_cal.xml EX-101.CAL 78580
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE hmhc-20210331_def.xml EX-101.DEF 235564
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE hmhc-20210331_lab.xml EX-101.LAB 457395
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE hmhc-20210331_pre.xml EX-101.PRE 377241
11 EXTRACTED XBRL INSTANCE DOCUMENT hmhc-10q_20210331_htm.xml XML 1563939
Mailing Address 125 HIGH STREET BOSTON MA 02110
Business Address 125 HIGH STREET BOSTON MA 02110 617-351-5000
Houghton Mifflin Harcourt Co (Filer) CIK: 0001580156 (see all company filings)

IRS No.: 271566372 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-36166 | Film No.: 21895702
SIC: 2731 Books: Publishing or Publishing & Printing
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