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CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Jan. 01, 2017
Profit or loss [abstract] |  |
Net sales | $ 2,750,816 | $ 2,585,070
Cost of sales | 1,949,597 | 1,865,367
Gross profit | 801,219 | 719,703
Selling, general and administrative expenses (note 16(a)) | 377,323 | 336,433
Restructuring and acquisition-related costs (note 17) | 22,894 | 11,746
Operating income | 401,002 | 371,524
Financial expenses, net (note 14(c)) | 24,186 | 19,686
Earnings before income taxes | 376,816 | 351,838
Income tax expense (note 18) | 14,482 | 5,200
Net earnings | 362,334 | 346,638
Other comprehensive income (loss), net of related income taxes: |  |
Cash flow hedges (note 14(d)) | (27,071) | 39,518
Actuarial loss on employee benefit obligations (note 12(a)) | (64) | (5,239)
Other comprehensive income | (27,135) | 34,279
Comprehensive income | $ 335,199 | $ 380,917
Earnings per share: (note 19) |  |
Basic (in dollars per share) | $ 1.62 | $ 1.47
Diluted (in dollars per share) | $ 1.61 | $ 1.47

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