Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 26, 2023	Nov. 27, 2022	Nov. 28, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	$ 1,903.7
Other comprehensive (loss) income before reclassifications	23.6	$ (12.1)	$ 16.8
Amounts reclassified from accumulated other comprehensive loss	7.2	(12.3)	30.2
Adjustment of accumulated other comprehensive gain to retained earnings		(2.9)
Net increase (decrease) in other comprehensive (loss) income	30.8		47.0
Accumulated other comprehensive (loss) income at ending period	2,046.4	1,903.7
Pension and Postretirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(179.5)	(195.5)	(222.4)
Other comprehensive (loss) income before reclassifications	(1.4)	7.5	16.0
Amounts reclassified from accumulated other comprehensive loss	27.7	8.5	10.9
Adjustment of accumulated other comprehensive gain to retained earnings		0.0
Net increase (decrease) in other comprehensive (loss) income	26.3	16.0	26.9
Accumulated other comprehensive (loss) income at ending period	(153.2)	(179.5)	(195.5)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	7.2	(20.9)	(74.4)
Other comprehensive (loss) income before reclassifications	(28.1)	48.9	34.2
Amounts reclassified from accumulated other comprehensive loss	(21.1)	(20.8)	19.3
Adjustment of accumulated other comprehensive gain to retained earnings		0.0
Net increase (decrease) in other comprehensive (loss) income	(49.2)	28.1	53.5
Accumulated other comprehensive (loss) income at ending period	(42.0)	7.2	(20.9)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(248.7)	(196.8)	(158.6)
Other comprehensive (loss) income before reclassifications	53.0	(51.9)	(38.2)
Amounts reclassified from accumulated other comprehensive loss	0.0	0.0	0.0
Adjustment of accumulated other comprehensive gain to retained earnings		0.0
Net increase (decrease) in other comprehensive (loss) income	53.0	(51.9)	(38.2)
Accumulated other comprehensive (loss) income at ending period	(195.7)	(248.7)	(196.8)
Unrealized Gain (Loss) on Marketable Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(0.7)	18.8	14.0
Other comprehensive (loss) income before reclassifications	0.1	(16.6)	4.8
Amounts reclassified from accumulated other comprehensive loss	0.6	0.0	0.0
Adjustment of accumulated other comprehensive gain to retained earnings		(2.9)
Net increase (decrease) in other comprehensive (loss) income	0.7	(19.5)	4.8
Accumulated other comprehensive (loss) income at ending period	0.0	(0.7)	18.8
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(421.7)	(394.4)	(441.4)
Net increase (decrease) in other comprehensive (loss) income		(27.3)
Accumulated other comprehensive (loss) income at ending period	$ (390.9)	$ (421.7)	$ (394.4)