XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.23.3

Long-Term Indebtedness (Narrative) (Details) |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Dec. 07, 2021 USD ($) | May 13, 2021 USD ($) tradingDay | Dec. 19, 2019 | Mar. 29, 2019 USD ($) | Dec. 14, 2018 USD ($) | Apr. 27, 2016 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) | Feb. 24, 2014 USD ($)
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Long-term indebtedness | $ 908,245,000 |  |  |  |  |  |  | $ 908,245,000 | $ 908,245,000 | $ 1,095,888,000 |
Level 1 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Convertible debt, fair value | $ 425,500,000 |  |  |  |  |  |  | 425,500,000 | 425,500,000 |  |
Term Loan |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt, face amount |  | $ 400,000,000 |  |  |  |  |  |  |  |  |
Term Loan | Period one |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed |  | 1.25% |  |  |  |  |  |  |  |  |
Debt term |  |  |  | 2 years |  |  |  |  |  |  |
Term Loan | Period two |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed |  | 1.875% |  |  |  |  |  |  |  |  |
Term Loan | Period three |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed |  | 2.50% |  |  |  |  |  |  |  |  |
Debt Instrument, Prepaid, Principal |  |  |  |  |  |  |  | 30,000,000 |  |  |
Convertible Notes |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt, face amount |  |  | $ 460,000,000 |  |  |  |  |  |  |  |
Stated interest rate |  |  | 1.125% |  |  |  |  |  |  |  |
Proceeds from issuance of convertible notes |  |  | $ 447,800,000 |  |  |  |  |  |  |  |
Debt, conversion ratio | 0.0061615 |  |  |  |  |  |  |  |  |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |  |  |  |
Amount of principal held |  |  | 25.00% |  |  |  |  |  |  |  |
Convertible Notes | Period one |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Threshold trading days | tradingDay |  |  | 20 |  |  |  |  |  |  |  |
Threshold consecutive trading days | tradingDay |  |  | 30 |  |  |  |  |  |  |  |
Threshold percentage of stock price trigger |  |  | 130.00% |  |  |  |  |  |  |  |
JPMorgan Chase Bank And Wells Fargo Bank | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Letter of credit | $ 4,600,000 |  |  |  |  |  |  | 4,600,000 | $ 4,600,000 |  |
Commitment fee percentage |  |  |  |  |  |  |  |  | 0.25% |  |
JPMorgan Chase Bank And Wells Fargo Bank | Line of Credit | Minimum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  |  |  |  |  |  | 0.15% |  |
JPMorgan Chase Bank And Wells Fargo Bank | Line of Credit | Maximum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  |  |  |  |  |  | 0.275% |  |
JPMorgan Chase Bank And Wells Fargo Bank | Letter of Credit |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Maximum borrowings under line of credit |  |  |  |  |  |  | $ 50,000,000 |  |  |  |
Prudential Investment Management Inc | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Long-term indebtedness |  |  |  |  | $ 50,000,000 | $ 400,000,000 |  |  |  |  |
Remaining availability under the facilities |  |  |  |  |  |  |  |  |  |  | $ 150,000,000
Debt term |  |  |  |  | 3 years |  |  |  |  |  |
Interest rate during period |  |  |  |  | 3.80% |  |  |  |  |  |
Prudential Investment Management Inc | Line of Credit | New Term Loan, Amendment No. 4 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Long-term indebtedness |  | $ 400,000,000 |  |  |  |  |  |  |  |  |
JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Maximum borrowings under line of credit |  |  |  |  |  | $ 600,000,000 |  |  |  |  |
Remaining availability under the facilities | $ 178,500,000 |  |  |  |  |  |  | $ 178,500,000 | $ 178,500,000 |  |
Option One | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt instrument, additional margin interest rate |  |  |  |  |  |  |  |  | 0.75% |  |
Option One | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt instrument, additional margin interest rate |  |  |  |  |  |  | 0.00% |  |  |  |
Option One | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt instrument, additional margin interest rate |  |  |  |  |  | 0.875% |  |  |  |  |
Option Two | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 1.75% |  |
Option Two | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 0.875% |  |
Option Two | JPMorgan Chase Bank, N.A., Wells Fargo Bank, N.A., Bank of America, N.A., and 1st Source Bank | Line of Credit | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |  |  |  |
Debt instrument, additional margin interest rate |  |  |  |  |  | 1.875% |  |  |  |  |

X
- Definition Debt Instrument, Additional Margin Interest Rate + References No definition available. + Details
Name: | lcii_DebtInstrumentAdditionalMarginInterestRate
Namespace Prefix: | lcii_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Prepaid, Principal + References No definition available. + Details
Name: | lcii_DebtInstrumentPrepaidPrincipal
Namespace Prefix: | lcii_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Debt Instrument, Redemption, Amount of Principal Held, Percent + References No definition available. + Details
Name: | lcii_DebtInstrumentRedemptionAmountOfPrincipalHeldPercent
Namespace Prefix: | lcii_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Letter Of Credit + References No definition available. + Details
Name: | lcii_LetterOfCredit
Namespace Prefix: | lcii_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtFairValueDisclosures
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-7 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-6 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The average effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateDuringPeriod
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph e -SubTopic 470 -Topic 942 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of principal amount of debt redeemed. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromConvertibleDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=lcii_JpmorganChaseBankAndWellsFargoBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=lcii_PrudentialInvestmentManagementIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lcii_NewTermLoanAmendmentNo4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=lcii_JPMorganChaseBankN.A.WellsFargoBankN.A.BankofAmericaN.A.and1stSourceBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lcii_BorrowingInterestRateOptionsAxis=lcii_OptionOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | lcii_BorrowingInterestRateOptionsAxis=lcii_OptionTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |