VENTURE CAPITAL INVESTMENTS AND MARKETABLE SECURITIES - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Marketable Securities and Equity-Method Affiliates [Abstract]
Gains related to venture capital investments	$ 15,928,000	$ 22,867,000	$ 10,284,000
Total commitment	124,700,000
Amount funded for venture capital investments	69,000,000
Dividends received	18,200,000	10,100,000	7,100,000
Consolidated retained earnings	14,100,000	12,100,000
Marketable securities	$ 0	$ 0
Sales of available for sale securities			$ 4,600,000

Equity Method Investment, Investment Commitment

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Equity Method Investment, Investment Commitment, Amount Funded

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Marketable Securities and Equity-Method Affiliates [Abstract]

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of consolidated retained earnings that represent undistributed (not yet received) earnings from 50% or less owned persons accounted for by the equity method (equity method investees).

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Amount of gain (loss) on venture capital activities. Includes venture capital revenue, fair value adjustments, interest and dividends, investment gain (loss) and fee or other income from venture capital activities.

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