COMMITMENTS AND GUARANTEES - Lease Commitment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020 USD ($)	Sep. 28, 2019 USD ($)	Sep. 26, 2020 USD ($) distribution_center office_building	Sep. 28, 2019 USD ($)
Commitments and Guarantees [Abstract]
Weighted average incremental borrowing rate	3.60%		3.60%
Increase in lease liability			$ 83.6
Operating lease liability	$ 526.4		526.4
Operating lease right-of-use asset	525.8		$ 525.8
Number of distribution centers | distribution_center			1
Number of office buildings | office_building			2
Operating lease, payments	$ 37.1	$ 36.8	$ 116.1	$ 111.6
Weighted average remaining term, leases	7 years		7 years