Fair Value of Financial Instruments- Fair Value (Details) - USD ($) $ in Millions	Aug. 31, 2025	Dec. 01, 2024
Financial assets carried at fair value
Short-term investments in marketable securities	$ 94.7	$ 0.0
Fair Value | Fair Value, Recurring
Financial assets carried at fair value
Rabbi trust assets	103.4	95.4
Short-term investments in marketable securities	94.7	0.0
Forward foreign exchange contracts	5.9	17.6
Total	204.0	113.0
Financial liabilities carried at fair value
Forward foreign exchange contracts	25.6	9.5
Fair Value | Fair Value, Recurring | Level 1 Inputs
Financial assets carried at fair value
Rabbi trust assets	103.4	95.4
Short-term investments in marketable securities		0.0
Forward foreign exchange contracts	0.0	0.0
Total	103.4	95.4
Financial liabilities carried at fair value
Forward foreign exchange contracts	0.0	0.0
Fair Value | Fair Value, Recurring | Level 2 Inputs
Financial assets carried at fair value
Rabbi trust assets	0.0	0.0
Short-term investments in marketable securities	94.7	0.0
Forward foreign exchange contracts	5.9	17.6
Total	100.6	17.6
Financial liabilities carried at fair value
Forward foreign exchange contracts	$ 25.6	$ 9.5