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SUPPLEMENTARY INFORMATION RELATING TO THE NATURE OF EXPENSES (Government assistance) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Jan. 01, 2017
Analysis of income and expense [abstract]
Government assistance	$ 10.2	$ 9.3

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- Definition

Income From Government Grants And Tax Credits

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No definition available.

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Period Type:	instant

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- References

No definition available.

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