2017 | 2016 | ||||||
$M | $M | ||||||
Balance at January 1 | 66.5 | 58.9 | |||||
(Credited) / charged to the consolidated income statement: | |||||||
Past service credit | — | — | |||||
Curtailment credit | — | (0.6 | ) | ||||
Current service cost | 0.1 | 0.4 | |||||
Net interest on net liability | 1.8 | 2.0 | |||||
Administrative costs | 0.7 | 0.9 | |||||
Total charge for defined contribution plans | 4.0 | 3.7 | |||||
Cash contributions | (12.9 | ) | (10.9 | ) | |||
(Credited) / charged to the consolidated statement of comprehensive income | (9.5 | ) | 21.7 | ||||
Exchange difference | 4.6 | (9.6 | ) | ||||
Balance at December 31 | 55.3 | 66.5 |
2017 | 2017 | 2017 | 2016 | 2016 | 2016 | ||||||||||||||
U.K. | Non-U.K. | Total | U.K. | Non-U.K. | Total | ||||||||||||||
$M | $M | $M | $M | $M | $M | ||||||||||||||
At January 1 | 280.3 | 36.6 | 316.9 | 287.1 | 49.4 | 336.5 | |||||||||||||
Interest on plan assets | 7.5 | 1.5 | 9.0 | 9.4 | 2.1 | 11.5 | |||||||||||||
Actuarial gains | 20.4 | 3.8 | 24.2 | 43.7 | 1.2 | 44.9 | |||||||||||||
Exchange difference | 27.4 | — | 27.4 | (49.8 | ) | — | (49.8 | ) | |||||||||||
Contributions from employer | 7.0 | 1.9 | 8.9 | 6.0 | 1.2 | 7.2 | |||||||||||||
Contributions from plan members | — | — | — | 0.1 | — | 0.1 | |||||||||||||
Administrative expenses | (0.2 | ) | (0.5 | ) | (0.7 | ) | (0.4 | ) | (0.5 | ) | (0.9 | ) | |||||||
Benefits paid | (16.1 | ) | (2.1 | ) | (18.2 | ) | (15.8 | ) | (2.6 | ) | (18.4 | ) | |||||||
Settlement credit | — | — | — | — | (14.2 | ) | (14.2 | ) | |||||||||||
At December 31 | 326.3 | 41.2 | 367.5 | 280.3 | 36.6 | 316.9 |
2017 | 2017 | 2017 | 2016 | 2016 | 2016 | ||||||||||||||
U.K. | Non-U.K. | Total | U.K. | Non-U.K. | Total | ||||||||||||||
$M | $M | $M | $M | $M | $M | ||||||||||||||
At January 1 | 334.8 | 48.6 | 383.4 | 334.4 | 61.0 | 395.4 | |||||||||||||
Service cost | — | 0.1 | 0.1 | 0.3 | 0.1 | 0.4 | |||||||||||||
Interest on obligation | 8.9 | 1.9 | 10.8 | 10.9 | 2.6 | 13.5 | |||||||||||||
Contributions from plan members | — | — | — | 0.1 | — | 0.1 | |||||||||||||
Actuarial gains on financial assumptions | 6.9 | 3.8 | 10.7 | 67.5 | 2.6 | 70.1 | |||||||||||||
Actuarial gains on plan experience | 3.5 | 0.5 | 4.0 | (3.3 | ) | (0.2 | ) | (3.5 | ) | ||||||||||
Exchange difference | 31.7 | 0.3 | 32.0 | (59.3 | ) | (0.1 | ) | (59.4 | ) | ||||||||||
Benefits paid | (16.1 | ) | (2.1 | ) | (18.2 | ) | (15.8 | ) | (2.6 | ) | (18.4 | ) | |||||||
Curtailment credit | — | — | — | — | (14.8 | ) | (14.8 | ) | |||||||||||
At December 31 | 369.7 | 53.1 | 422.8 | 334.8 | 48.6 | 383.4 |