Benefits - Benefit obligations in excess of fair value of plan assets (Details) - USD ($) $ in Thousands		12 Months Ended
	May 30, 2023	Nov. 30, 2025	Dec. 01, 2024	Nov. 26, 2023
Change in plan assets [Roll Forward]
U.S. pension settlement loss	$ 19,000	$ 0	$ 0	$ 19,000
Amounts reclassified from accumulated other comprehensive loss		(2,600)	(26,700)	(7,200)
Pension Benefits
Change in benefit obligation [Roll Forward]
Benefit obligation at beginning of year		779,500	769,400
Service cost		2,900	2,600	2,800
Interest cost		35,400	39,700	39,900
Plan participants' contribution		500	500
Actuarial loss (gain)		2,000	38,600
Net curtailment loss (gain)		0	(1,700)
Impact of foreign currency changes		9,700	(3,500)
Plan settlements		(900)	(1,800)
Net benefits paid		(63,000)	(64,300)
Benefit obligation at end of year		766,100	779,500	769,400
Change in plan assets [Roll Forward]
Fair value of plan assets at beginning of year		766,500	739,400
Actual return on plan assets		37,100	84,300
Employer contribution		11,200	15,300
Plan participants' contributions		500	500
Plan settlements		(900)	(1,800)
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan		(4,800)	(5,300)
Impact of foreign currency changes		8,200	(1,600)
Net benefits paid		(63,000)	(64,300)
Fair value of plan assets at end of year		754,800	766,500	739,400
Unfunded status at end of year		(11,300)	(13,000)
Postretirement Benefits
Change in benefit obligation [Roll Forward]
Benefit obligation at beginning of year		35,800	39,200
Service cost		0	0	0
Interest cost		1,600	2,000	2,000
Plan participants' contribution		2,400	3,700
Actuarial loss (gain)		(200)	500
Net curtailment loss (gain)		0	0
Impact of foreign currency changes		0	0
Plan settlements		0	0
Net benefits paid		(8,800)	(9,600)
Benefit obligation at end of year		30,800	35,800	39,200
Change in plan assets [Roll Forward]
Fair value of plan assets at beginning of year		0	0
Actual return on plan assets		0	0
Employer contribution		1,600	600
Plan participants' contributions		2,400	3,700
Plan settlements		0	0
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Assets Transferred to (from) Plan		4,800	5,300
Impact of foreign currency changes		0	0
Net benefits paid		(8,800)	(9,600)
Fair value of plan assets at end of year		0	0	$ 0
Unfunded status at end of year		$ (30,800)	$ (35,800)