XML 51 R42.htm IDEA: XBRL DOCUMENT
v3.23.1

Fair Value Measurements (Narrative) (Details) € in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Mar. 28, 2022 USD ($) | Feb. 28, 2023 USD ($) | Feb. 28, 2022 USD ($) | Mar. 28, 2022 EUR (€)
Percentage of marketable securities investments mature within one year |  | 64.00% |  |
Percentage of marketable securities investments mature within one to three years |  | 36.00% |  |
Notional amount | $ 50,000,000.0 |  |  | € 45.6
Maturity date | Mar. 30, 2027 |  |  |
Fair Value, Measurements, Nonrecurring [Member] |  |  |  |
Assets fair value adjustments |  | $ 0 | $ 0 |
Liabilities fair value adjustments |  | $ 0 | $ 0 |

X
- Definition Percentage of marketable securities investments mature within one to three years. + References No definition available. + Details
Name: | lnn_PercentageOfMarketableSecuritiesInvestmentsMatureWithinOneToThreeYears
Namespace Prefix: | lnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of marketable securities investments mature within one year. + References No definition available. + Details
Name: | lnn_PercentageOfMarketableSecuritiesInvestmentsMatureWithinOneYear
Namespace Prefix: | lnn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date the derivative contract matures, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeMaturityDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties. + References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |