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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions | Total | Additional paid-in capital | Treasury shares | Own shares held by ESOP | Retained earnings | Accumulated other comprehensive loss | Ordinary shares | Ordinary shares Common stock | [1] | Deferred shares | Deferred shares Common stock | [2]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2015 | $ 183.8 | $ 60.3 | $ (1.3) | $ (0.2) | $ 76.0 | $ (127.2) |  | $ 25.3 |  | $ 150.9
Beginning balance (in shares) at Dec. 31, 2015 |  |  | (100,000) | 0 |  |  |  |  |  |
Net income | 17.8 |  |  |  | 17.8 |  |  |  |  |
Other comprehensive income (loss), net of tax | (31.8) |  |  |  |  | (31.8) |  |  |  |
Dividends declared and paid | (13.3) |  |  |  | (13.3) |  |  |  |  |
Share based compensation | 1.2 | 1.2 |  |  |  |  |  |  |  |
Common shares repurchased and classified as treasury shares | 1.0 |  |  | $ 1.0 |  |  |  |  |  |
Common shares repurchased and classified as treasury shares (in shares) |  |  |  | 100,000 |  |  |  |  |  |
Arising from issue of share capital | (6.3) |  | $ (6.3) |  |  |  |  |  |  |
Arising from issue of share capital (in shares) |  |  | (500,000) |  |  |  |  |  |  |
Purchase of shares from ESOP | 0.0 | (0.6) | $ 0.5 |  | 0.1 |  |  |  |  |
Utilization of treasury shares to satisfy share based compensation | 0.0 | (0.9) |  | $ 0.7 | 0.2 |  |  |  |  |
Ending balance at Dec. 31, 2016 | 150.4 | 60.0 | $ (7.1) | $ (0.5) | 80.8 | (159.0) |  | 25.3 |  | 150.9
Ending balance (in shares) at Dec. 31, 2016 |  |  | (600,000) | (100,000) |  |  |  |  |  |
Net income | 16.6 |  |  |  | 16.6 |  |  |  |  |
Other comprehensive income (loss), net of tax | 18.3 |  |  |  |  | 18.3 |  |  |  |
Dividends declared and paid | (13.3) |  |  |  | (13.3) |  |  |  |  |
Share based compensation | $ 2.5 | 2.5 |  |  |  |  |  |  |  |
Common shares repurchased and classified as treasury shares (in shares) | 0 |  |  |  |  |  |  |  |  |
Purchase of shares from ESOP | $ 0.0 |  | $ 0.8 | $ (0.8) |  |  |  |  |  |
New shares issued |  |  | 100,000 | 100,000 |  |  |  |  |  |
Utilization of treasury shares to satisfy share based compensation | 0.0 | (0.5) | $ 0.5 |  |  |  |  |  |  |
Utilization of shares from ESOP to satisfy share based compensation | 0.0 | (0.4) |  | $ 0.3 | 0.1 |  |  |  |  |
Utilization of shares from ESOP to satisfy share based compensation (in shares) |  |  |  | 100,000 |  |  |  |  |  |
Ending balance at Dec. 31, 2017 | 174.5 | 62.1 | $ (5.8) | $ (1.0) | 83.7 | (140.7) |  | 25.3 |  | 150.9
Ending balance (in shares) at Dec. 31, 2017 |  |  | (500,000) | (100,000) |  |  |  |  |  |
Reclassification of deferred tax | 0.0 | 0.5 |  |  | (0.5) |  |  |  |  |
Net income | 25.0 |  |  |  | 25.0 |  |  |  |  |
Other comprehensive income (loss), net of tax | (5.9) |  |  |  |  | (5.9) |  |  |  |
Dividends declared and paid | (13.4) |  |  |  | (13.4) |  |  |  |  |
Share based compensation | $ (2.5) | (2.5) |  |  |  |  |  |  |  |
Common shares repurchased and classified as treasury shares (in shares) | 0 |  |  |  |  |  |  |  |  |
Arising from issue of share capital | $ 0.0 |  |  | $ (1.3) |  |  |  | 1.3 |  |
Arising from issue of share capital (in shares) |  |  |  | (1,900,000) |  |  |  |  |  |
Cancellation of deferred shares | 0.0 | 1.0 |  |  |  |  |  |  |  | (1.0)
Shares sold from ESOP | 6.6 | 6.2 |  | $ 0.4 |  |  |  |  |  |
Shares sold from ESOP (in shares) |  |  |  | 500,000 |  |  |  |  |  |
Purchase of shares from ESOP | 0.0 |  | $ 1.4 | $ (1.4) |  |  |  |  |  |
New shares issued |  |  | 100,000 | 100,000 |  |  | 1,863,201 |  | 0 |
Utilization of treasury shares to satisfy share based compensation | 0.0 | (0.1) | $ 0.1 |  |  |  |  |  |  |
Utilization of shares from ESOP to satisfy share based compensation | 0.0 | (1.1) |  | $ 1.1 |  |  |  |  |  |
Ending balance at Dec. 31, 2018 | $ 184.3 | $ 65.6 | $ (4.3) | $ (2.2) | $ 95.3 | $ (146.6) |  | $ 26.6 |  | $ 149.9
Ending balance (in shares) at Dec. 31, 2018 |  |  | (400,000) | (1,600,000) |  |  |  |  |  |
[1] | Ordinary share capital includes 29,000,000 shares in 2018, 27,136,799 shares in 2017 and 2016 respectively.
[2] | Deferred share capital includes 761,835,338,444 shares in 2018, 769,413,708,000 shares in 2017 and 2016 respectively.

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration