Restructuring Activities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Aug. 31, 2025	Aug. 25, 2024	May 26, 2024	Aug. 31, 2025	Aug. 25, 2024	Jun. 01, 2025	Dec. 01, 2024	Nov. 26, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 8.6	$ 3.4		$ 22.1	$ 171.6
Restructuring reserve	81.7			81.7
Restructuring reserve recorded in other accrued liabilities	$ 64.7			64.7			$ 69.8
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, general and administrative expenses
Goodwill impairment				2.5	41.8
Impairments related to technology projects		11.1
Project Fuel
Restructuring Cost and Reserve [Line Items]
Restructuring initiative, period			2 years
Restructuring reserve	$ 81.7	124.7	$ 154.0	81.7	124.7	$ 86.7	104.4	$ 18.0
Restructuring reserve recorded in other accrued liabilities	64.7			64.7
Restructuring reserve recorded in long-term employee related benefits and other liabilities	17.0			17.0
Impairments related to technology projects		11.1
Project Fuel | Severance and employee-related benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	8.6	3.4		22.1	171.6
Restructuring reserve	62.9	102.2	$ 133.6	62.9	102.2	$ 58.6	$ 83.7	$ 17.8
Project Fuel | Consulting Fees And Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges, net	$ 4.3	$ 19.0		$ 11.8	$ 34.3