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v3.19.3.a.u2

Credit Agreement Quarterly Financial Covenants (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018
Required Minimum Value [Member] |  |
Line of Credit Facility [Line Items] |  |
Minimum Debt Service Coverage Ratio | 1.15 |
Schedule of minimum EBITDA level achievable on quarterly basis |  |
Minimum Net Leverage Ratio | 3.25 |
Actual Value [Member] |  |
Schedule of minimum EBITDA level achievable on quarterly basis |  |
MinTangibleNetWorth | $ 0.00 |
Maximum | Actual Value [Member] |  |
Line of Credit Facility [Line Items] |  |
EBITDA to Fixed Charges | 10.76 |
Minimum | Required Minimum Value [Member] |  |
Line of Credit Facility [Line Items] |  |
EBITDA to Fixed Charges | 1.00 |
Schedule of minimum EBITDA level achievable on quarterly basis |  |
Minimum Net Leverage Ratio | 1.00 | 1.00
Minimum | Actual Value [Member] |  |
Line of Credit Facility [Line Items] |  |
EBITDA to Fixed Charges | 1.00 |

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- Definition EBITDA to Fixed Charges as defined by the loan agreement + References No definition available. + Details
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Period Type: | duration

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- Definition Minimum Tangible Net Worth + References No definition available. + Details
Name: | laws_MinTangibleNetWorth
Namespace Prefix: | laws_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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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
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Namespace Prefix: | laws_
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Period Type: | duration

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- Definition Schedule of minimum earnings before income tax depreciation amortization level achievable on quarterly basis. + References No definition available. + Details
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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
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
Name: | laws_DebtCovenantValueAxis=laws_ActualValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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