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INCOME TAXES (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2021 | Mar. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Effective income tax (percent) |  | 18.30% | 17.10%
Effective tax reduction due to tax impact of share-based awards (percent) |  | 3.20% |
Effective tax rate reduction related to foreign tax impacts (percent) |  | 1.70% | 3.60%
Estimated increase in income taxes payable if all foreign earnings were repatriated | $ 2.0 |  |
Payroll tax deferral, CARES Act |  | $ 28.5 |
Payroll tax credit, CARES Act |  | 0.7 |
Unrecognized tax benefits and related interest and penalties, all of which would affect our effective tax rate if recognized | 41.8 | 41.8 |
Decrease in unrecognized tax benefits due to lapse of statute of limitations | $ 2.6 | $ 2.6 |

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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 + Details
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- Definition Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120384911&loc=d3e23163-113944 + Details
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