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SUPPLEMENTAL BALANCE SHEET INFORMATION - Composition of Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Supplemental Balance Sheet Information [Abstract]
Investments	$ 885	$ 28,489
Prepaid income tax	47,157	52,234
Restricted cash	465	592	$ 532
Other	300	0
Other current assets	$ 48,807	$ 81,315

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