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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Share | The table below presents the computation of basic and diluted earnings per share (in millions, except for per share information):
| Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Basic: |  |  |  |  |
Net income | $ | 823.4 |  |  | $ | 1,046.9 |  |  | $ | 722.2 |
Weighted-average shares outstanding | 622.6 |  |  | 624.8 |  |  | 627.6 |
Basic earnings per share | $ | 1.32 |  |  | $ | 1.68 |  |  | $ | 1.15 |
Diluted: |  |  |  |  |
Net income | $ | 823.4 |  |  | $ | 1,046.9 |  |  | $ | 722.2 |
Weighted-average shares outstanding | 622.6 |  |  | 624.8 |  |  | 627.6 |
Dilutive effect of stock plans | 9.3 |  |  | 11.9 |  |  | 13.3 |
Dilutive weighted-average shares outstanding | 631.9 |  |  | 636.7 |  |  | 640.9 |
Diluted earnings per share | $ | 1.30 |  |  | $ | 1.64 |  |  | $ | 1.13 |
Schedule of Stock-Based Compensation Expense | Total stock-based compensation expense was as follows (in millions):
| Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Cost of sales | $ | 17.2 |  |  | $ | 14.7 |  |  | $ | 11.4 |
Selling, general, and administrative expenses | 56.6 |  |  | 51.2 |  |  | 46.3 |
Research and development expenses | 18.8 |  |  | 15.4 |  |  | 13.3 |
Total stock-based compensation expense | 92.6 |  |  | 81.3 |  |  | 71.0 |
Income tax benefit | (15.4) |  |  | (14.8) |  |  | (13.4) |
Total stock-based compensation expense, net of tax | $ | 77.2 |  |  | $ | 66.5 |  |  | $ | 57.6 |

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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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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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