LEASES (Supplemental Information) (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019
Leases [Abstract]
Operating Cash Flows Used For Operating Leases	$ 21.8	$ 24.9
Operating Cash Flows Used For Finance Leases	0.1	0.2
Financing Cash Flows Used For Finance Leases	0.2	0.2
Leased Assets Obtained in Exchange for New Operating Lease Liabilities	$ 21.3	$ 10.6
Weighted Average Remaining Lease Term
Operating Leases	5 years 2 months 12 days	4 years 7 months 6 days
Finance Leases	7 years 6 months	8 years 6 months
Weighted Average Discount Rate
Operating Leases	8.20%	8.30%
Finance Leases	5.90%	5.90%