XML 39 R29.htm IDEA: XBRL DOCUMENT
v3.21.1

Commitments and Contingencies (Tables) | 6 Months Ended
--- | ---
Feb. 28, 2021
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 February 28, 2021, February 29, 2020, and August 31, 2020:
($ in thousands) |  | February 28, 2021 |  |  | February 29, 2020 |  |  | August 31, 2020 |
Other current liabilities |  | $ | 1,105 |  |  | $ | 1,243 |  |  | $ | 1,115 |
Other noncurrent liabilities |  |  | 15,017 |  |  |  | 14,396 |  |  |  | 15,030 |
Total environmental remediation liabilities |  | $ | 16,122 |  |  | $ | 15,639 |  |  | $ | 16,145 |

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