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VENTURE CAPITAL INVESTMENTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Schedule of Equity Method Investments [Line Items]
Committed contribution	$ 114.9		$ 114.9
Venture capital investments	65.3		65.3
Dividends received	5.6	$ 3.3	14.1	$ 7.7
Gain (loss) from venture capital investments	$ 5.4	$ 5.6	$ 22.8	$ 12.3
Minimum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	1.00%		1.00%
Maximum
Schedule of Equity Method Investments [Line Items]
Ownership percentage	12.00%		12.00%

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