XML 31 R17.htm IDEA: XBRL DOCUMENT
v3.22.4

REVENUE AND LONG-LIVED ASSETS | 12 Months Ended
--- | ---
Dec. 31, 2022
REVENUE |
REVENUE AND LONG-LIVED ASSETS | 9.REVENUE AND LONG-LIVED ASSETS Substantially all of our revenue is generated from sales of towing equipment. As such, disaggregation of revenue by product line would not provide useful information because all product lines have substantially similar characteristics. However, revenue streams are tracked by the geographic location of customers. Net sales and long-lived assets (property, plant and equipment, operating lease right-of-use assets, and goodwill) by region were as follows. Net sales are attributed to regions based on the locations of customers: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022 | ​ | 2021 | ​ | 2020
​ |  |  | ​ | ​ | Long- | ​ |  | ​ | ​ | Long- | ​ |  | ​ | ​ | Long-
​ | ​ | ​ | ​ | ​ | Lived | ​ | ​ | ​ | ​ | Lived | ​ | ​ | ​ | ​ | Lived
​ |  | Net Sales |  | Assets |  | Net Sales |  |  | Assets |  | Net Sales |  |  | Assets
North America |  | $ | 765,307 | ​ | $ | 120,009 | ​ | $ | 627,573 | ​ | $ | 104,231 | ​ | $ | 556,540 | ​ | $ | 106,323
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Foreign | ​ | ​ | 83,149 | ​ | ​ | 4,665 | ​ | ​ | 89,903 | ​ | ​ | 5,115 | ​ | ​ | 94,746 | ​ | ​ | 5,384
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | $ | 848,456 | ​ | $ | 124,674 | ​ | $ | 717,476 | ​ | $ | 109,346 | ​ | $ | 651,286 | ​ | $ | 111,707
​ Contract assets primarily relate to the Company’s rights to consideration for work completed but not billed at the reporting date. The contract assets are transferred to receivables when the rights become unconditional. Contract liabilities primarily relate to performance obligations to be satisfied in the future. As of the years ended December 31, 2022 2021, and 2020 contract liability balances were $242, $257 and $272, respectively, and are included in accrued liabilities on the accompanying consolidated balance sheets. During the each of the years ended December 31, 2022, 2021 and 2020, the company did not increase contract liabilities. During the years ended December 31, 2022, 2021, and 2020, respectively, the Company settled $15, $15 and $52 of this liability with a contract credit in lieu of satisfaction of these obligations. The Company did not have any contract assets at December 31, 2022 or 2021. Terms on account receivables vary and are based on specific terms agreed upon with each customer. Write-offs of accounts receivable were not material during the years ended December 31, 2022, 2021, or 2020.

X
- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, asset recognized from cost incurred to obtain or fulfill contract with customer, and long-lived assets, such as property, plant and equipment, operating lease right-of-use assets, and goodwill. Excludes insurance and lease contracts. + References No definition available. + Details
Name: | mlr_RevenueFromContractWithCustomerAndLongLivedAssetsTextBlock
Namespace Prefix: | mlr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration