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STOCK-BASED COMPENSATION. (Future Stock-Based Compensation Expense) (Details) $ in Millions | Dec. 31, 2018 USD ($)
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Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
First quarter 2019 | $ 51.4
Second quarter 2019 | 50.6
Third quarter 2019 | 50.5
Fourth quarter 2019 | 45.2
Total 2019 | 197.7
2020 through 2024 | 188.6
Total | $ 386.3

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- Definition Unrecognized cost of unvested share-based compensation awards. + 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 (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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