Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Aug. 25, 2024	Aug. 27, 2023	Aug. 25, 2024	Aug. 27, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive (loss) income before reclassifications	$ (46.3)	$ 5.8	$ (52.5)	$ 25.4
Amounts reclassified from accumulated other comprehensive loss	2.5	17.8	24.9	(1.8)
Net increase (decrease) in other comprehensive (loss) income	(43.8)	23.6	(27.6)	23.6
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(374.7)	(421.7)	(390.9)	(421.7)
Accumulated other comprehensive (loss) income at ending period	(418.5)	(398.1)	(418.5)	(398.1)
Pension and Postretirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(150.2)	(176.0)	(153.2)	(179.5)
Other comprehensive (loss) income before reclassifications	(0.4)	(7.0)	(1.8)	(8.1)
Amounts reclassified from accumulated other comprehensive loss	2.3	21.1	6.7	25.7
Net increase (decrease) in other comprehensive (loss) income	1.9	14.1	4.9	17.6
Accumulated other comprehensive (loss) income at ending period	(148.3)	(161.9)	(148.3)	(161.9)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(27.2)	(33.7)	(42.0)	7.2
Other comprehensive (loss) income before reclassifications	(11.0)	(7.9)	(14.2)	(24.0)
Amounts reclassified from accumulated other comprehensive loss	0.2	(3.3)	18.2	(28.1)
Net increase (decrease) in other comprehensive (loss) income	(10.8)	(11.2)	4.0	(52.1)
Accumulated other comprehensive (loss) income at ending period	(38.0)	(44.9)	(38.0)	(44.9)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(197.3)	(212.0)	(195.7)	(248.7)
Other comprehensive (loss) income before reclassifications	(34.9)	20.7	(36.5)	57.4
Amounts reclassified from accumulated other comprehensive loss	0.0	0.0	0.0	0.0
Net increase (decrease) in other comprehensive (loss) income	(34.9)	20.7	(36.5)	57.4
Accumulated other comprehensive (loss) income at ending period	$ (232.2)	(191.3)	$ (232.2)	(191.3)
Unrealized Gain (Loss) on Marketable Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period		0.0		(0.7)
Other comprehensive (loss) income before reclassifications		0.0		0.1
Amounts reclassified from accumulated other comprehensive loss		0.0		0.6
Net increase (decrease) in other comprehensive (loss) income		0.0		0.7
Accumulated other comprehensive (loss) income at ending period		$ 0.0		$ 0.0

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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