ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassifications out of AOCI (Details) - USD ($) $ in Millions	3 Months Ended						9 Months Ended
	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Oct. 02, 2021	Sep. 26, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales	$ 2,871.7			$ 2,473.9			$ 8,261.8	$ 6,714.9
Interest expense	(45.8)			(52.7)			(139.8)	(169.7)
Other, net	39.5			74.3			152.3	236.1
Income taxes	0.4			(78.4)			(192.8)	26.0
Net earnings (loss)	$ 414.1	$ 458.5	$ 486.8	$ 395.2	$ 238.7	$ 133.1
Reclassification of Accumulated Other Comprehensive Income | Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales							(21.3)	12.5
Interest expense							(2.9)	(13.5)
Total before taxes							(24.2)	(1.0)
Income taxes							10.7	0.4
Net earnings (loss)							(13.5)	(0.6)
Reclassification of Accumulated Other Comprehensive Income | Accumulated Net Investment Hedge Gain (Loss) Including Portion Attributable To Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other, net							4.0	13.7
Income taxes							(1.0)	(3.3)
Net earnings (loss)							3.0	10.4
Reclassification of Accumulated Other Comprehensive Income | Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total before taxes							(16.8)	(14.5)
Income taxes							4.1	3.6
Net earnings (loss)							(12.7)	(10.9)
Reclassification of Accumulated Other Comprehensive Income | Actuarial losses and prior service costs / credits
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other, net							(17.0)	(14.5)
Reclassification of Accumulated Other Comprehensive Income | Settlement gain
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other, net							$ 0.2	$ 0.0