v3.20.2

Financing Arrangements - Narrative (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 17, 2020 | Jun. 08, 2020 | Feb. 19, 2020 | Feb. 01, 2019 | Aug. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2020 | Mar. 31, 2018 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Feb. 29, 2016
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  | $ 14,900,000 | $ 9,400,000 |  |  |
Prepayment of aggregate principal amount |  |  |  |  |  |  |  |  | 510,900,000 | $ 645,400,000 |  |  |
Aggregate principal amount outstanding |  |  |  |  |  |  | $ 756,400,000 |  | 756,400,000 |  |  |  |
Long-term debt, outstanding |  |  |  |  |  |  | 743,700,000 |  | 743,700,000 |  | $ 1,203,300,000 |  |
DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  |  | 9,400,000 | $ 0 |
Aggregate principal amount outstanding |  |  |  |  |  |  |  |  |  |  | 1,228,500,000 |  |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | 1,203,300,000 | 633,700,000 |
DiscoverOrg Holdings | Before February 1, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment penalty (as a percent) |  |  |  | 2.00% |  |  |  |  |  |  |  |  |
DiscoverOrg Holdings | After February 1, 2020 through February 1, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Prepayment penalty (as a percent) |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, outstanding |  |  |  |  |  |  | 756,400,000 |  | 756,400,000 |  |  |  |
Sale of stock in connection with the acquisition of Pre-Acquisition ZI | Redeemable Series A Preferred Units |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold |  |  |  | 51,750,000 |  |  |  |  |  |  |  |  |
Proceeds, net of issuance costs |  |  |  | $ 200,200,000 |  |  |  |  |  |  |  |  |
Sale of stock in connection with the acquisition of Pre-Acquisition ZI | Redeemable Series A Preferred Units | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold |  |  |  | 51,800,000 |  |  |  |  |  |  |  |  |
Proceeds, net of issuance costs |  |  |  | $ 200,200,000 |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 100,000,000.0 |  |  |  |  |  |  |  |  |
Draws on credit facility |  |  |  |  |  |  | 0 |  | $ 0 |  | 0 |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 3.50% |  |  |  |
Effective interest rate |  | 3.70% |  |  |  |  |  |  |  |  |  |  |
Repayment of outstanding balance of credit facility |  | $ 35,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Draws on revolving credit loan which trigger springing financial covenant (more than) |  |  |  |  |  |  | 35,000,000.0 |  | $ 35,000,000.0 |  |  |  |
Revolving Credit Facility | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |
Draws on credit facility |  |  |  |  |  |  |  |  |  |  | $ 0 | 0 |
Draws on revolving credit loan which trigger springing financial covenant (more than) (as a percent) |  |  |  |  |  |  |  |  |  |  | 35.00% |  |
Antares First Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue discount |  |  |  |  | $ 2,500,000 |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  | 3,200,000 |  |  |  |  |  |  |  |
Goldman Second Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Original issue discount |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000.0
Debt Issuance Costs, Gross |  |  |  |  |  |  |  |  |  |  |  |  | 1,800,000
Subordinated Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  |  |  | $ 3,200,000 |  |  |  |  |  |  |
Term Loan | Redeemable Series A Preferred Units | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  |  |  |  | 15.00% |  |
Term Loan | First Lien Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  | 965,000,000 |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 3.75% |  |  |  |
Loss on extinguishment of debt |  |  | $ 2,200,000 |  |  |  |  |  | $ 1,700,000 |  |  |  |
Prepayment of aggregate principal amount | $ 101,200,000 |  |  |  |  |  | 100,000,000.0 |  |  |  |  |  |
Repurchased face amount of debt | 100,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Accrued interest | $ 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount outstanding |  |  |  |  |  |  | $ 756,400,000 |  | $ 756,400,000 |  |  |  |
Effective interest rate |  |  |  |  |  |  | 4.60% |  | 4.60% |  | 7.50% |  |
Net leverage ratio (not to exceed) |  |  |  |  |  |  | 7.65 |  | 7.65 |  |  |  |
Long-term debt, outstanding |  |  |  |  |  |  | $ 743,700,000 |  | $ 743,700,000 |  | $ 841,600,000 |  |
Term Loan | First Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  | 965,000,000 |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 4.50% |  |
Prepayment of aggregate principal amount |  |  |  | $ 2,200,000 |  |  |  |  |  |  |  |  |
Effective interest rate |  |  |  |  |  |  |  |  |  |  | 7.50% |  |
Net leverage ratio (not to exceed) |  |  |  |  |  |  |  |  |  |  | 7.65 |  |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | $ 841,600,000 | 0 |
Term Loan | First Lien Term Loan | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease to interest rate |  |  | 0.50% |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 4.00% |  |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | LIBOR | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 3.75% |  |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | LIBOR | Minimum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 4.25% |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | LIBOR | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 4.00% |  |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | LIBOR | Maximum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 4.50% |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | Base Rate | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 2.75% |  |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | Base Rate | Minimum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 3.25% |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | Base Rate | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  | 3.00% |  |  |  |  |  |  |  |  |  |
Term Loan | First Lien Term Loan | Base Rate | Maximum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 3.50% |  |  |  |  |  |  |  |  |
Term Loan | Second Lien Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  | $ 370,000,000 |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 8.50% |  |  |  |
Loss on extinguishment of debt |  | 7,300,000 |  |  |  |  |  |  |  |  |  |  |
Prepayment of aggregate principal amount |  | 380,600,000 |  |  |  |  |  |  |  |  |  |  |
Accrued interest |  | $ 6,900,000 |  |  |  |  |  |  |  |  |  |  |
Effective interest rate |  | 10.80% |  |  |  |  |  |  |  |  | 11.90% |  |
Prepayment premiums |  | $ 3,700,000 |  |  |  |  |  |  |  |  |  |  |
Write-off of unamortized issuance costs and prepayment penalty incurred |  | $ 11,000,000.0 |  |  |  |  |  |  |  |  |  |  |
Long-term debt, outstanding |  |  |  |  |  |  | $ 0 |  | $ 0 |  | $ 361,700,000 |  |
Term Loan | Second Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  | $ 370,000,000 |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 8.50% |  |
Effective interest rate |  |  |  |  |  |  |  |  |  |  | 11.90% |  |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | $ 361,700,000 | 0 |
Term Loan | Second Lien Term Loan | LIBOR | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 8.50% |  |  |  |  |  |  |  |  |
Term Loan | Second Lien Term Loan | Base Rate | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 7.50% |  |  |  |  |  |  |  |  |
Term Loan | Antares First Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  | 330,000,000 |  |  | $ 47,700,000 |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 4.50% |  |
Aggregate principal amount outstanding |  |  |  |  |  |  |  |  |  |  |  | 373,200,000 |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 368,600,000 |
Term Loan | Antares First Lien Term Loan | LIBOR | Minimum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 4.25% |  |
Term Loan | Antares First Lien Term Loan | LIBOR | Maximum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 4.50% |  |
Term Loan | Antares First Lien Term Loan | Base Rate | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  | 0.50% |
Term Loan | Goldman Second Lien Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 55,000,000.0
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 8.50% |  |
Aggregate principal amount outstanding |  |  |  |  |  |  |  |  |  |  |  | $ 149,800,000 |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 147,400,000 |
Increase (decrease) to face amount of debt |  |  |  |  | $ 75,000,000.0 |  |  | $ 19,800,000 |  |  |  |  |
Term Loan | Goldman Second Lien Term Loan | LIBOR | Minimum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 8.30% |  |
Term Loan | Goldman Second Lien Term Loan | LIBOR | Maximum | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 8.50% |  |
Term Loan | Goldman Second Lien Term Loan | Base Rate | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  | 8.50% | 0.50% |
Term Loan | Subordinated Term Loan | DiscoverOrg Holdings |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  |  | $ 100,000,000 |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  | 12.50% |  |  |  |  | 12.50% |  |
Aggregate principal amount outstanding |  |  |  |  |  |  |  |  |  |  |  | $ 120,200,000 |
Long-term debt, outstanding |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 117,700,000 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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