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Income Taxes
6 Months Ended
Jun. 30, 2017
Income Taxes [Abstract]  
Income Taxes

8Income taxes

At the end of each interim period, the Company estimates  the effective tax rate expected to be applicable for the full fiscal year.  The estimate reflects, among other items, management’s best estimate of operating results.  It does not include the estimated impact of foreign exchange rates or unusual and/or infrequent items, which may cause significant variations in the customary relationship between income tax expense and income before income taxes.



The Company’s consolidated effective tax rate in respect of operations for the three and six months ended June 30, 2017 was 18.5% and 28.7%, respectively (2016:  24.6% and 24.4%).