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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings per Share | The following table sets forth the computation of basic and diluted earnings per share:
|  | Year ended December 31,
|  | 2020 |  | 2019 |  | 2018
Net income |  | $ | 846.6 |  |  | $ | 825.7 |  |  | $ | 821.3 |
Weighted average ordinary shares outstanding |  |  | 140.5 |  |  |  | 150.6 |  |  |  | 156.6 |
Dilutive effect: |  |  |  |  |  |  |  |  |  |  |  |
Employee stock options, RSUs and PSUs |  |  | 1.5 |  |  |  | 1.5 |  |  |  | 2.8 |
Diluted weighted average ordinary shares outstanding |  |  | 142.0 |  |  |  | 152.1 |  |  |  | 159.4 |
Basic earnings per ordinary share |  | $ | 6.03 |  |  | $ | 5.48 |  |  | $ | 5.24 |
Diluted earnings per ordinary share |  | $ | 5.96 |  |  | $ | 5.43 |  |  | $ | 5.15 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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