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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Description of Business (Details)	12 Months Ended
	Dec. 31, 2024 Distributor
BASIS OF PRESENTATION
Number of independent distributors	76
Number of foreign market distributors	30

X

- Definition

Represents number of foreign distributors for company's towing and recovery equipment.

+ References

No definition available.

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X

- Definition

Represents number of independent distributors for company's towing and recovery equipment.

+ References

No definition available.

+ Details

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Namespace Prefix:	mlr_
Data Type:	xbrli:integerItemType
Balance Type:	na
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X

- References

No definition available.

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