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SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2020
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS |
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II AMPHENOL CORPORATION AND SUBSIDIARIES VALUATION AND QUALIFYING ACCOUNTS For the years ended December 31, 2020, 2019 and 2018 (Dollars in millions) ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at |  | Charged to |  | ​ | ​ |  | Balance at |
​ | ​ | beginning | ​ | cost and | ​ | Additions | ​ | end of |
​ | ​ | of period | ​ | expenses | ​ | (Deductions) | ​ | period |
Allowance for doubtful accounts: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, 2020 | ​ | $ | 33.6 | ​ | $ | 8.5 | ​ | $ | 2.7 | ​ | $ | 44.8 | ​
Year ended December 31, 2019 | ​ |  | 33.5 | ​ | ​ | 1.2 | ​ | ​ | (1.1) | ​ | ​ | 33.6 | ​
Year ended December 31, 2018 | ​ |  | 23.0 | ​ | ​ | 13.0 | ​ | ​ | (2.5) | ​ |  | 33.5 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Valuation allowance on deferred tax assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, 2020 | ​ | $ | 35.2 | ​ | $ | 3.8 | ​ | $ | 1.1 | ​ | $ | 40.1 | ​
Year ended December 31, 2019 | ​ | ​ | 34.7 | ​ | ​ | 0.2 | ​ | ​ | 0.3 | ​ | ​ | 35.2 | ​
Year ended December 31, 2018 | ​ |  | 39.6 | ​ | ​ | (3.8) | ​ | ​ | (1.1) | ​ | ​ | 34.7 | ​
​

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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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