EDGAR Filing Documents for 0000045876-22-000009

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:

SEC Accession No. 0000045876-22-000009

Filing Date

2022-02-24

Accepted

2022-02-24 14:35:43

Documents

137

Period of Report

2021-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	10-K	hsc-20211231.htm iXBRL	10-K	5042979
2	EX-10.(A)(XV)	hsc-ex10axv_2021xq4.htm	EX-10.(A)(XV)	99156
3	EX-21	hsc-ex21_20211231x10k.htm	EX-21	165363
4	EX-23	hsc-ex23_20211231x10k.htm	EX-23	2944
5	EX-31.1	hsc-ex311_2021xq4.htm	EX-31.1	14140
6	EX-31.2	hsc-ex312_2021xq4.htm	EX-31.2	13922
7	EX-32	hsc-ex32_2021xq4.htm	EX-32	6111
13		hsc-20211231_g1.jpg	GRAPHIC	18391
14		hsc-20211231_g2.jpg	GRAPHIC	18784
15		hsc-20211231_g3.jpg	GRAPHIC	19175
16		hsc-20211231_g4.jpg	GRAPHIC	136506
	Complete submission text file	0000045876-22-000009.txt		25810869

Data Files

Seq	Description	Document	Type	Size
8	XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT	hsc-20211231.xsd	EX-101.SCH	128809
9	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT	hsc-20211231_cal.xml	EX-101.CAL	200962
10	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT	hsc-20211231_def.xml	EX-101.DEF	862651
11	XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT	hsc-20211231_lab.xml	EX-101.LAB	1620555
12	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT	hsc-20211231_pre.xml	EX-101.PRE	1177898
131	EXTRACTED XBRL INSTANCE DOCUMENT	hsc-20211231_htm.xml	XML	5830760

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