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RELATED PARTY TRANSACTIONS (Details) - USD ($)	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017
Disclosure of transactions between related parties [line items]
Expenses for airplane usage, related party transactions		$ 0
Amount in account payable, related party transactions		0
Key management personnel
Disclosure of transactions between related parties [line items]
Expenses for airplane usage, related party transactions	$ 1.2
Amount in account payable, related party transactions	0.3
DSUs | Key management personnel
Disclosure of transactions between related parties [line items]
Amount in account payable, related party transactions	$ 8,310,000	$ 9,460,000

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- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

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