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Earnings Per Share (Detail Textuals) - shares
shares in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from the computation of diluted earnings per share   1.5 1.1 0.9
Ordinary shares related to the vesting of restricted stock units   2.7 2.6  
warrants vested based on purchases of products and services by customer 2.2