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RESTRUCTURING CHARGES - Summary of Restructuring Reserve Activity (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Restructuring Cost and Reserve [Line Items]
Reserve, beginning balance			$ 147.8
Net Additions	$ 42.8	$ 74.0	74.6	$ 91.2
Usage			(87.5)
Currency			(2.5)
Reserve, ending balance	132.4		132.4
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, beginning balance			140.3
Net Additions			70.3
Usage			(77.4)
Currency			(2.5)
Reserve, ending balance	130.7		130.7
Facility closures and asset impairments
Restructuring Cost and Reserve [Line Items]
Reserve, beginning balance			7.5
Net Additions			4.3
Usage			(10.1)
Currency			0.0
Reserve, ending balance	$ 1.7		$ 1.7