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VENTURE CAPITAL INVESTMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Schedule of Equity Method Investments [Line Items]
Committed contribution	$ 124.4
Amount funded for venture capital investments	71.4
Dividends received	0.8	$ 7.1
Gains recognized from venture capital investments	$ 10.6	$ 6.5
Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	1.00%
Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	12.00%

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