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v3.19.1

Loan Agreement Covenant (Details) | 3 Months Ended
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Mar. 31, 2019
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 1.25
Maximum [Member] | Actual Value [Member] |
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 4.52
Maximum [Member] | Required Minimum Value [Member] |
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 1.10
Minimum [Member] | Actual Value [Member] |
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 1.00
Minimum [Member] | Required Minimum Value [Member] |
Loan Agreement [Line Items] |
Minimum Debt Service Coverage Ratio | 1.00

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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 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

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

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- Details
Name: | laws_DebtCovenantValueAxis=laws_RequiredMinimumValueMember
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: |