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v3.19.3

Long-Term Debt - Narrative (Details) $ in Millions | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 GBP (£) | Sep. 30, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2019 USD ($)
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  |  | $ 3,226.5 | $ 3,303.9
Senior secured term loan facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount of restricted payment capacity under the loan |  |  |  | 1,700.0
Periodic payment, principal |  | $ 4.0 |  |
Long-term debt |  |  | $ 1,453.2 | $ 1,442.0
Interest rate in effect | 3.80% |  | 4.10% | 3.80%
CDW UK term loan |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Annual principal repayment installments | £ 5,000,000 | $ 6.0 |  |
Amount of restricted payment capacity under the loan | £ 134,000,000 |  |  | $ 165.0
Long-term debt |  |  | $ 65.0 | $ 56.5
Interest rate in effect | 2.16% |  | 2.29% | 2.16%
CDW UK revolving credit facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Borrowing capacity of the Revolving Loan | £ 50,000,000 |  |  | $ 61.0
Long-term debt |  |  | $ 0.0 | $ 0.0
Interest rate in effect | 0.00% |  | 0.00% | 0.00%
Senior secured asset-based revolving credit facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Undrawn letters of credit |  |  |  | $ 1.0
Borrowing base |  |  |  | 2,200.0
Additional borrowing capacity |  |  |  | 1,100.0
Long-term debt |  |  | $ 0.0 | $ 26.0
Interest rate in effect | 3.31% |  | 0.00% | 3.31%
Senior notes due 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  |  | $ 600.0 | $ 600.0
Interest rate in effect | 5.00% |  | 5.00% | 5.00%
Total term loans |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  |  | $ 1,518.2 | $ 1,498.5
Senior Notes due 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  |  | $ 0.0 | $ 600.0
Interest rate in effect | 4.25% |  | 0.00% | 4.25%
Senior notes due 2023 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt |  |  | $ 525.0 | $ 0.0
Interest rate in effect | 0.00% |  | 5.00% | 0.00%
Redemption price, percentage |  |  | 102.50% |
Accounts Payable, Inventory Financing | Senior secured asset-based revolving credit facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount owed under Revolving loan financing agreement |  |  |  | $ 356.0

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