Book value | Fair value | Book value | Fair value | ||||||||||
December 31, 2017 | December 31, 2017 | December 31, 2016 | December 31, 2016 | ||||||||||
Financial instruments: | $M | $M | $M | $M | |||||||||
Financial assets: | |||||||||||||
Cash at bank and in hand | 13.3 | 13.3 | 13.6 | 13.6 | |||||||||
Financial liabilities(1): | |||||||||||||
Loan Notes due 2018 | 15.0 | 15.3 | 15.0 | 15.9 | |||||||||
Loan Notes due 2021 | 25.0 | 25.2 | 25.0 | 25.0 | |||||||||
Loan Notes due 2023 | 25.0 | 26.6 | 25.0 | 26.3 | |||||||||
Loan Notes due 2026 | 25.0 | 27.1 | 25.0 | 26.5 | |||||||||
Revolving credit facility | 21.3 | 21.3 | 32.8 | 32.8 | |||||||||
Overdrafts | 4.2 | 4.2 | — | — | |||||||||
Deferred contingent consideration | 0.7 | 0.7 | 1.5 | 1.5 | |||||||||
Deferred consideration | 0.3 | 0.3 | 1.3 | 1.3 | |||||||||
(1) | The financial instruments included in financial liabilities are shown gross of unamortized finance costs. |
(2) | The fair value of these financial instruments is calculated by discounting the future cash flows, including interest payments due. |