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Derivative Instruments and Hedging Agreements - National amount of cap agreement and LIBOR interest rate cap (Details) - SOFTWARE LUXEMBOURG HOLDING S.A. (SUCCESSOR) AND POINTWELL LIMITED (PREDECESSOR) - USD ($) $ in Millions | Oct. 31, 2018 | May 04, 2018 | Dec. 19, 2017
--- | --- | --- | ---
One month LIBOR interest rate cap |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional amount |  | $ 884.0 |
Cap interest rate |  | 2.869% |
Premium paid |  | $ 2.4 |
Interest Rate Cap |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Notional amount | $ 751.0 |  | $ 376.0
Cap interest rate |  |  | 2.117%
Premium paid |  |  | $ 2.3

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