XML 24 R8.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
--- | ---
Dec. 31, 2021
Notes to Financial Statements |
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] |
Allowance for Doubtful Accounts and Other Receivables for the Years Ended: |  | Balance at Beginning of Year |  |  | Charged to Expense |  |  | Write-Offs, Net of Recoveries |  |  | Balance at End of Year |
December 31, 2019 |  | $ | 23.9 |  |  | $ | 2.8 |  |  | $ | (13.4 | ) |  | $ | 13.3 |
December 31, 2020 |  |  | 13.3 |  |  |  | 5.6 |  |  |  | (0.5 | ) |  |  | 18.4 |
December 31, 2021 |  |  | 18.4 |  |  |  | 2.6 |  |  |  | (4.2 | ) |  |  | 16.8 |

X
- 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
Name: | srt_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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