Goodwill and Other Intangible Assets - Other Intangible Assets, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 01, 2024	Nov. 26, 2023
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets, accumulated amortization	$ (18.9)	$ (14.6)
Amortized intangible assets, total	18.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total, gross carrying value	215.5	282.2
Total, accumulated amortization	(18.9)	(14.6)
Total	196.6	267.6
Customer relationships and other
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets, gross carrying amount	37.6	38.3
Amortized intangible assets, accumulated amortization	(18.9)	(14.6)
Amortized intangible assets, total	18.7	23.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Total, accumulated amortization	(18.9)	(14.6)
Beyond Yoga | Customer relationships and other
Finite-Lived Intangible Assets [Line Items]
Amortized intangible assets, total	9.7
Impairment of Intangible Assets, Finite-Lived	9.1
Trademarks [Member]
Indefinite-Lived Intangible Assets [Line Items]
Non-amortized intangible assets	177.9	243.9
Trademarks [Member] | Beyond Yoga
Indefinite-Lived Intangible Assets [Line Items]
Non-amortized intangible assets	$ 135.1	$ 201.1