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Trade and Other Receivables, Net | 12 Months Ended
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Dec. 31, 2020
Receivables [Abstract] |
Trade and Other Receivables, Net | 7. Trade and Other Receivables, Net Trade and other receivables, net, consist of the following:
|  | December 31, |
|  | 2020 |  |  | 2019 |
|  | (Dollars in millions) |
Trade receivables from customers |  | $ | 95.1 |  |  | $ | 75.7 |
Interest receivable from invested customer trust funds |  |  | 1.8 |  |  |  | 1.3 |
Other |  |  | 11.7 |  |  |  | 9.5 |
Total gross receivables |  |  | 108.6 |  |  |  | 86.5 |
Less: reserve for sales adjustments |  |  | (4.4 | ) |  |  | (3.7 | )
Less: allowance for doubtful accounts |  |  | (3.1 | ) |  |  | (2.4 | )
Trade and other receivables, net |  | $ | 101.1 |  |  | $ | 80.4 |
The activity related to the allowance for doubtful accounts was as follows:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (Dollars in millions) |
Balance at beginning of year |  | $ | 2.4 |  |  | $ | 1.3 |  |  | $ | 1.3 |
Provision for doubtful accounts |  |  | 2.0 |  |  |  | 3.2 |  |  |  | 0.7 |
Charge-offs, net of recoveries |  |  | (1.3 | ) |  |  | (2.1 | ) |  |  | (0.7 | )
Balance at end of year |  | $ | 3.1 |  |  | $ | 2.4 |  |  | $ | 1.3 |

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- References No definition available. + Details
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