XML 48 R37.htm IDEA: XBRL DOCUMENT
v3.21.1

Basis of Presentation and Responsibility for interim Financial Statements (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 28, 2021 | Dec. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Change in revenue from prior period, percent | 3.60% |
Change in EBITDA from prior year quarter | 12.00% |
General industrial |  |
Disaggregation of Revenue [Line Items] |  |
Change in revenue from prior period, percent |  | 18.00%
Transportation |  |
Disaggregation of Revenue [Line Items] |  |
Change in revenue from prior period, percent |  | 14.70%

X
- Definition Change In EBITDA From Prior Period, Percent + References No definition available. + Details
Name: | lxfr_ChangeInEBITDAFromPriorPeriodPercent
Namespace Prefix: | lxfr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Change In Revenue From Prior Period, Percent + References No definition available. + Details
Name: | lxfr_ChangeInRevenueFromPriorPeriodPercent
Namespace Prefix: | lxfr_
Data Type: | num: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 No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=lxfr_GeneralIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=lxfr_TransportationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |