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SUPPLEMENTAL BALANCE SHEET INFORMATION - Composition of Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Supplemental Balance Sheet Information [Abstract]
Investments	$ 28,489	$ 3,771
Prepaid income tax	52,234	40,705
Restricted cash	592	532	$ 271
Other current assets	$ 81,315	$ 45,008

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