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SUPPLEMENTAL BALANCE SHEET INFORMATION - Composition of Other Assets (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Supplemental Balance Sheet Information [Abstract]
Life insurance policies	$ 32,340	$ 34,008
Venture capital investments	88,591	71,101
Restricted cash	1,411	1,945	$ 1,736
Other	21,417	16,948
Other assets	$ 143,759	$ 124,002

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