NON-CONTROLLING INTERESTS - Narrative (Details) - shares	3 Months Ended
	Mar. 28, 2018	Mar. 29, 2017
Noncontrolling Interest [Line Items]
Non-controlling interest holders' weighted average ownership percentage	26.50%	30.40%
Number of units redeemed (in shares)	1,029,771	324,000
Units acquired during the period (in shares)	1,100,076
Redemption or Exchange of Units
Noncontrolling Interest [Line Items]
Units acquired during the period (in shares)	1,029,771	324,000
Employee Stock Option
Noncontrolling Interest [Line Items]
Units acquired during the period (in shares)	70,305	206,491