XML 25 R28.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Commitments And Contingencies (Tables) | 9 Months Ended
--- | ---
May 31, 2014
Commitments And Contingencies [Abstract] |
Summary Of Undiscounted Environmental Remediation Liability Classifications |
Environmental Remediation Liabilities
($ in thousands) |  | May 31, |  | May 31, |  | August 31,
Balance Sheet Classification |  | 2014 |  | 2013 |  | 2013
Other current liabilities |  | $ | 1,444 |  | $ | 2,050 |  | $ | 1,740
Other noncurrent liabilities |  |  | 5,025 |  |  | 5,200 |  |  | 5,200
Total environmental remediation liabilities |  | $ | 6,469 |  | $ | 7,250 |  | $ | 6,940

X
- Definition Summary Of Undiscounted Environmental Remediation Liability Classifications [Table Text Block] + References No definition available. + Details
Name: | lnn_SummaryOfUndiscountedEnvironmentalRemediationLiabilityClassificationsTableTextBlock
Namespace Prefix: | lnn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration