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Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Supplemental Cash Flow Information [Abstract] |  |  |  |
Interest Paid, Excluding Capitalized Interest, Operating Activities |  | $ 182.2 | $ 192.7 | $ 88.7
Change in operating lease right-of-use asset and lease liabilities |  | 192.6 | 9.4 |
Cash paid for income taxes, net of refunds | [1] | 89.1 | 150.2 | 207.9
Tax refunds |  | 124.2 | 92.6 | 24.3
Restructuring Charges |  | 413.8 | 33.9 | $ 0.0
Supplemental Cash Flow Elements [Abstract] |  |  |  |
Lease restructuring costs |  | 209.9 | 8.7 |
Change in operating lease right-of-use asset and lease liabilities |  | 192.6 | 9.4 |
Net cash activities for operating lease right-of-use asset and lease liabilities included in Other non-current assets and liabilities under Operating Activities |  | $ 17.3 | $ 0.7 |
[1] | Refunds of $124.2, $92.6 and $24.3 were received for the years ended December 31, 2020, 2019 and 2018, respectively.

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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4297-108586 + Details
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