XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.20.2

Commitments and Contingencies (Tables) | 9 Months Ended
--- | ---
May 31, 2020
Commitments And Contingencies Disclosure [Abstract] |
Summary of Undiscounted Environmental Remediation Liability Classifications | The following table summarizes the undiscounted environmental remediation liability classifications included in the condensed consolidated balance sheets as of May 31, 2020, May 31, 2019, and August 31, 2019:
($ in thousands) |  | May 31, 2020 |  |  | May 31, 2019 |  |  | August 31, 2019 |
Other current liabilities |  | $ | 1,182 |  |  | $ | 1,243 |  |  | $ | 1,243 |
Other noncurrent liabilities |  |  | 14,257 |  |  |  | 14,871 |  |  |  | 14,674 |
Total environmental remediation liabilities |  | $ | 15,439 |  |  | $ | 16,114 |  |  | $ | 15,917 |

X
- Definition Summary of undiscounted environmental remediation liability classifications. + References No definition available. + Details
Name: | lnn_SummaryOfUndiscountedEnvironmentalRemediationLiabilityClassificationsTableTextBlock
Namespace Prefix: | lnn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration