XML 60 R44.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Business Combinations - Additional Information (Detail) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 01, 2022 USD ($) | Oct. 01, 2022 USD ($) Number RetailLocation | Oct. 02, 2021 USD ($) Location Number | Oct. 03, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |
Total purchase consideration, net of cash acquired | $ 107,663 | $ 107,663 | $ 8,868 | $ 6,188
2021 Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of business acquired | Number |  |  | 3 |
Total purchase consideration, net of cash acquired |  |  | $ 8,900 |
2022 Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of locations in which assets acquired | RetailLocation |  | 27 |  |
Number of business acquired | Number |  | 6 |  |
Total purchase consideration, net of cash acquired |  | $ 107,700 |  |
2022 Acquisitions | Contingent Consideration Two |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Contingent consideration | $ 4,000 | 4,000 |  |
Denver, Colorado, Medford, Oregon and Washington, DC | 2021 Acquisitions |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of locations in which assets acquired | Location |  |  | 8 |
Accounting adjustments of increase in goodwill |  | $ 1,700 |  |

X
- Definition Number of locations in which assets acquired. + References No definition available. + Details
Name: | lesl_NumberOfLocationsInWhichAssetsAcquired
Namespace Prefix: | lesl_
Data Type: | xbrli:integerItemType
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 No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of liability recognized arising from contingent consideration in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126966325&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e961-128460 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
Name: | us-gaap_NumberOfBusinessesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=lesl_TwothousandTwentyOneAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=lesl_TwoThousandTwentyTwoAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContingentConsiderationByTypeAxis=lesl_ContingentConsiderationTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=lesl_DenverColoradoMedfordOregonAndWashingtonDcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |