Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of Accumulated OCI (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jul. 03, 2022	Apr. 03, 2022	Jul. 04, 2021	Apr. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
(Gain) loss on cash flow hedges:
Income tax impact	$ (50.2)		$ (27.4)		$ (40.6)	$ (44.0)
Net income	171.3	$ 212.6	64.7	$ 84.7	383.9	149.4
Amortization of defined benefit pension and postretirement plan items:
Amortization of defined benefit pension and postretirement plan items:	221.5		92.1		424.5	193.4
Income tax impact	(50.2)		(27.4)		(40.6)	(44.0)
Amount Reclassified from AOCI | (Gain) loss on cash flow hedges:
(Gain) loss on cash flow hedges:
Gain recognized in income on derivatives	(15.6)		(2.2)		(22.0)	(15.1)
Income tax impact	3.9		0.5		5.5	3.8
Net income	(11.7)		(1.7)		(16.5)	(11.3)
Amortization of defined benefit pension and postretirement plan items:
Income tax impact	3.9		0.5		5.5	3.8
Amount Reclassified from AOCI | Amortization of prior service cost
Amortization of defined benefit pension and postretirement plan items:
Amortization of defined benefit pension and postretirement plan items:	(0.4)		(0.9)		(0.8)	(1.8)
Amount Reclassified from AOCI | Amortization of net actuarial loss
Amortization of defined benefit pension and postretirement plan items:
Amortization of defined benefit pension and postretirement plan items:	5.7		6.8		11.6	13.4
Amount Reclassified from AOCI | Pension and Postretirement Benefits
(Gain) loss on cash flow hedges:
Income tax impact	(1.3)		(1.4)		(2.6)	(2.8)
Amortization of defined benefit pension and postretirement plan items:
Amortization of defined benefit pension and postretirement plan items:	5.3		5.9		10.8	11.6
Income tax impact	(1.3)		(1.4)		(2.6)	(2.8)
Total	$ 4.0		$ 4.5		$ 8.2	$ 8.8