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DEPRECIATION AND AMORTIZATION
12 Months Ended
Dec. 30, 2018
Depreciation and amortisation expense [abstract]  
DEPRECIATION AND AMORTIZATION
DEPRECIATION AND AMORTIZATION:
 
2018

 
2017

 
 
 
Depreciation of property, plant and equipment (note 9)
$
125,797

 
$
136,233

Adjustment for the variation of depreciation of property, plant and equipment included in inventories at the beginning and end of the year
4,940

 
323

Depreciation of property, plant and equipment included in net earnings
130,737

 
136,556

Amortization of intangible assets, excluding software (note 10)
22,864

 
20,786

Amortization of software (note 10)
4,475

 
4,808

Depreciation and amortization included in net earnings
$
158,076

 
$
162,150