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v3.19.3

Loan Agreement Covenant (Details) | 9 Months Ended
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Sep. 30, 2019
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 1.15
Minimum Net Leverage Ratio | 3.25

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- Definition Minimum debt service coverage ratio. + References No definition available. + Details
Name: | laws_MinimumDebtServiceCoverageRatio
Namespace Prefix: | laws_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- Definition Minimum Net Leverage Ratio + References No definition available. + Details
Name: | laws_MinimumNetLeverageRatio
Namespace Prefix: | laws_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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- 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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration