EDGAR Filing Documents for 0000029644-21-000018

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:

SEC Accession No. 0000029644-21-000018

Filing Date

2021-06-07

Accepted

2021-06-07 13:15:44

Documents

Period of Report

2021-04-30

Document Format Files

Seq	Description	Document	Type	Size
1	10-Q	dci-20210430.htm iXBRL	10-Q	1576581
2	EX-31.A	exhibit31-a20210430.htm	EX-31.A	10809
3	EX-31.B	exhibit31-b20210430.htm	EX-31.B	10709
4	EX-32	exhibit3220210430.htm	EX-32	8100
	Complete submission text file	0000029644-21-000018.txt		7295735

Data Files

Seq	Description	Document	Type	Size
5	XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT	dci-20210430.xsd	EX-101.SCH	40084
6	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT	dci-20210430_cal.xml	EX-101.CAL	63679
7	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT	dci-20210430_def.xml	EX-101.DEF	194285
8	XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT	dci-20210430_lab.xml	EX-101.LAB	568678
9	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT	dci-20210430_pre.xml	EX-101.PRE	367332
10	EXTRACTED XBRL INSTANCE DOCUMENT	dci-20210430_htm.xml	XML	1494990

Mailing Address 1400 W 94TH STREET MINNEAPOLIS MN 55431

Business Address 1400 W. 94TH ST. MINNEAPOLIS MN 55431 6128873131