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Note 13 - Contingencies | 9 Months Ended
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Jun. 29, 2013
Legal Matters and Contingencies [Text Block] |
Legal Matters and Contingencies [Text Block] | (13) Contingencies Legal proceedings. The Company is involved in legal proceedings, claims, investigations and proceedings, including commercial, environmental and employment matters, which arise in the ordinary course of business. The Company does not expect that the ultimate costs to resolve these matters will have a material adverse effect on its financial position, results of operations or cash flows.

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Namespace Prefix: | iiin_
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- Definition The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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