Fair Value of Financial Instruments- Fair Value (Details) - USD ($) $ in Millions	Jun. 01, 2025	Dec. 01, 2024
Financial assets carried at fair value
Short-term investments in marketable securities	$ 83.1	$ 0.0
Fair Value | Fair Value, Recurring
Financial assets carried at fair value
Rabbi trust assets	97.4	95.4
Short-term investments in marketable securities	83.1	0.0
Forward foreign exchange contracts	2.6	17.6
Total	183.1	113.0
Financial liabilities carried at fair value
Forward foreign exchange contracts	28.0	9.5
Fair Value | Fair Value, Recurring | Level 1 Inputs
Financial assets carried at fair value
Rabbi trust assets	97.4	95.4
Short-term investments in marketable securities	0.0	0.0
Forward foreign exchange contracts	0.0	0.0
Total	97.4	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	83.1	0.0
Forward foreign exchange contracts	2.6	17.6
Total	85.7	17.6
Financial liabilities carried at fair value
Forward foreign exchange contracts	$ 28.0	$ 9.5