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INVENTORIES (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Jan. 01, 2017
Inventories [Abstract] |  |
Amount of inventories recognized as an expense | $ 1,884.8 | $ 1,810.3
Write-down of inventory to net realizable value | $ 18.0 | $ 11.3

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