XML 53 R39.htm IDEA: XBRL DOCUMENT v3.20.2

Note 15 - Business Segment Information (Tables)

12 Months Ended

Oct. 03, 2020

Notes Tables

Schedule of Revenue and Long-lived Assets by Geographic Area [Table Text Block]

		Year Ended
		October 3,				September 28,				September 29,
(In thousands)		2020				2019				2018
Net sales:
United States		$	470,420			$	454,373			$	451,418
Foreign			2,198				1,340				1,799
Total		$	472,618			$	455,713			$	453,217
Long-lived assets:
United States		$	140,588			$	132,074			$	133,913
Foreign			-				-				-
Total		$	140,588			$	132,074			$	133,913

Revenue from External Customers by Products and Services [Table Text Block]

		Year Ended
		October 3,				September 28,				September 29,
(In thousands)		2020				2019				2018
Net sales:
Welded wire reinforcement		$	294,129			$	290,423			$	273,658
Prestressed concrete strand			178,489				165,290				179,559
Total		$	472,618			$	455,713			$	453,217

X

- Definition

Tabular disclosure of revenue and long-lived assets by geographic area.

+ References

No definition available.

+ Details

Name:	iiin_ScheduleOfRevenueAndLonglivedAssetsByGeographicAreaTableTextBlock
Namespace Prefix:	iiin_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

+ Details

Name:	us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration