Related Party Disclosures (Detail Textuals) - USD ($) $ in Millions |
Sep. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|
| Related Party Transactions [Abstract] | |||
| Number of ordinary shares repurchased | 13,796,427 | 4,722,312 | 5,311,961 |
| Value of shares to be issued under repurchase program | $ 263.5 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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| X | ||||||||||
- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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