Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 25, 2024	Feb. 26, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss) before reclassifications	$ (5.7)	$ 11.4
Amounts reclassified from accumulated other comprehensive loss	13.3	(8.2)
Net increase (decrease) in other comprehensive income (loss)	7.6	3.2
Pension and Postretirement Benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(153.2)	(179.5)
Other comprehensive income (loss) before reclassifications	(0.5)	(0.5)
Amounts reclassified from accumulated other comprehensive loss	2.0	2.3
Net increase (decrease) in other comprehensive income (loss)	1.5	1.8
Accumulated other comprehensive (loss) income at ending period	(151.7)	(177.7)
Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(42.0)	7.2
Other comprehensive income (loss) before reclassifications	0.4	(8.5)
Amounts reclassified from accumulated other comprehensive loss	11.3	(11.1)
Net increase (decrease) in other comprehensive income (loss)	11.7	(19.6)
Accumulated other comprehensive (loss) income at ending period	(30.3)	(12.4)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(195.7)	(248.7)
Other comprehensive income (loss) before reclassifications	(5.6)	20.3
Amounts reclassified from accumulated other comprehensive loss	0.0	0.0
Net increase (decrease) in other comprehensive income (loss)	(5.6)	20.3
Accumulated other comprehensive (loss) income at ending period	(201.3)	(228.4)
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 income (loss) before reclassifications	0.0	0.1
Amounts reclassified from accumulated other comprehensive loss	0.0	0.6
Net increase (decrease) in other comprehensive income (loss)	0.0	0.7
Accumulated other comprehensive (loss) income at ending period	0.0	0.0
Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive (loss) income at beginning period	(390.9)	(421.7)
Accumulated other comprehensive (loss) income at ending period	$ (383.3)	$ (418.5)