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INCOME TAXES (Reasons for difference and related tax effects) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 30, 2018
Dec. 31, 2017
Income Taxes [Abstract]      
Earnings before income taxes   $ 372,134 $ 376,816
Applicable tax rate   26.60% 26.80%
Income taxes at applicable statutory rate   $ 98,913 $ 101,100
Effect of different tax rates on earnings of foreign subsidiaries   (96,013) (89,722)
Income tax recovery and other adjustments related to prior taxation years   979 (1,676)
Tax effect from change in tax rate $ (1,600) 2,048 (1,633)
Tax Effect From Revaluation Of Deferred Tax Liabilities   0 (62,228)
Tax effect of tax losses   17,169 62,488
Effect of non-deductible expenses and other   (1,736) 6,153
Total income tax expense   $ 21,360 $ 14,482
Average effective tax rate   5.70% 3.80%