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Subsequent Events (Details) $ in Millions		12 Months Ended
	Feb. 28, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Feb. 22, 2023 landlord
Subsequent Event [Line Items]
Impairment charges		$ 0.0	$ 1.5	$ 0.0
Discontinued operations, held-for-sale | Superform U.S Business
Subsequent Event [Line Items]
Impairment charges		$ 2.6	$ 1.5	$ 0.0
Subsequent event
Subsequent Event [Line Items]
Number of landlords | landlord					1
Pension plan buyout, consideration, employer contribution	$ 3.5

X

- Definition

Disposal Group, Including Discontinued Operation, Asset Impairment Charge

+ References

No definition available.

+ Details

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Namespace Prefix:	lxfr_
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X

- Definition

Number Of Landlords

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No definition available.

+ Details

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X

- Definition

Pension Plan Buyout, Consideration, Employer Contribution

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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