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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2021
Schedule II - Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | MINERALS TECHNOLOGIES INC. & SUBSIDIARY COMPANIES SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (millions of dollars)
Description |  | Balance at Beginning of Period |  |  | Additions Charged to Costs, Provisions and Expenses |  |  | Deductions (a) |  |  | Balance at End of Period |
Year Ended December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Valuation and qualifying accounts deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 15.0 |  |  |  | 0.9 |  |  |  | (0.9 | ) |  | $ | 15.0 |
Year Ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation and qualifying accounts deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 12.9 |  |  |  | 2.6 |  |  |  | (0.5 | ) |  | $ | 15.0 |
Year Ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation and qualifying accounts deducted from assets to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 3.2 |  |  |  | 6.3 |  |  |  | 3.4 |  |  | $ | 12.9 |
(a) | Includes impact of write-offs, translation of foreign currencies and reclassifications for presentation purposes.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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