v3.20.2

Derivatives and Hedging Activities - Narrative (Details) $ in Millions |  |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 17, 2020 USD ($) | Feb. 01, 2019 USD ($) | Jun. 30, 2020 USD ($) instrument | Jun. 30, 2020 USD ($) instrument | Jun. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) instrument | Apr. 30, 2019 USD ($) instrument | Dec. 31, 2018 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Variable rate debt |  |  | $ 743.7 | $ 743.7 |  | $ 1,203.3 |  |
Repayment of debt |  |  |  | 510.9 | $ 645.4 |  |  |
First Lien Term Loan | First lien term loans |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Variable rate debt |  |  | 743.7 | 743.7 |  | 841.6 |  |
Repayment of debt | $ 101.2 |  | 100.0 |  |  |  |  |
LIBOR |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Variable rate debt |  |  | 756.4 | 756.4 |  |  |  |
DiscoverOrg Holdings |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Variable rate debt |  |  |  |  |  | 1,203.3 |  | $ 633.7
DiscoverOrg Holdings | First Lien Term Loan | First lien term loans |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Variable rate debt |  |  |  |  |  | $ 841.6 |  | $ 0.0
Repayment of debt |  | $ 2.2 |  |  |  |  |  |
Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Notional amount |  |  | $ 850.0 | $ 850.0 |  |  |  |
Interest rate swap contracts | Designated as Hedging Instrument | DiscoverOrg Holdings |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of derivative instruments | instrument |  |  |  |  |  |  | 2 |
Interest rate swap contracts | Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of derivative instruments | instrument |  |  | 2 | 2 |  |  | 2 |
Notional amount |  |  | $ 350.0 | $ 350.0 |  |  | $ 350.0 |
Interest rate swap contracts | Cash Flow Hedging | Designated as Hedging Instrument | DiscoverOrg Holdings |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of derivative instruments | instrument |  |  |  |  |  | 2 |  |
Notional amount |  |  |  |  |  | $ 350.0 | $ 350.0 |
Interest rate cap contract | Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of derivative instruments | instrument |  |  | 1 | 1 |  |  | 1 |
Notional amount |  |  | $ 406.4 | $ 406.4 |  |  | $ 500.0 |
Interest rate cap contract | Cash Flow Hedging | Designated as Hedging Instrument | DiscoverOrg Holdings |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Number of derivative instruments | instrument |  |  |  |  |  | 1 |  |
Notional amount |  |  |  |  |  | $ 500.0 | $ 500.0 |
First Lien Term Loan |  |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |
Amount not redesignated for which forecasted interest payments is probable not to occur |  |  | 93.7 |  |  |  |  |
Deferred loss reclassified from AOCI into Interest expense, net |  |  | 3.3 |  |  |  |  |
Changes in fair value included in AOCI expected to be reclassified over the next 12 months |  |  | $ 5.7 | $ 5.7 |  |  |  |

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