XML 35 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 3 - Restructuring Charges (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended
--- | ---
Nov. 19, 2010
Restructuring and Related Activities Disclosure [Text Block] |
Payments to Acquire Businesses, Gross | $ 50.3

X
- Details
Name: | iiin_RestructuringAndRelatedActivitiesDisclosureTextBlockAbstract
Namespace Prefix: | iiin_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration