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Derivative and Hedging Activities Derivatives (Tables) | 3 Months Ended
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Mar. 31, 2020
Derivatives [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] |
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] | The table below presents the effect of our derivative financial instruments in the consolidated statements of income and comprehensive income for the three months ended March 31, 2020 and 2019:
(in millions) |  | Unrealized Gain (Loss) Recognized in Other Comprehensive Income (Loss) (“OCI”) on Derivatives |  | Location of Gain Reclassified from Accumulated OCI into Income |  | Amount of Gain (Loss) Reclassified from Accumulated OCI into Income
Derivatives in Cash Flow Hedging Relationships |  | 2020 |  | 2019 |  |  |  | 2020 |  | 2019
Interest Rate Swaps |  | $ | — |  |  | $ | (5.9 | ) |  | Interest expense |  | $ | (0.3 | ) |  | $ | 0.4 |

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- Definition Derivatives [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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