Business Segment Information - Schedule of Assets by Geographical Segment (Details) - USD ($) $ in Millions	May 31, 2026	Nov. 30, 2025
Segment Reporting [Line Items]
Inventories	$ 1,157.6	$ 1,237.7
All other assets	5,469.9	5,611.1
Total assets	6,627.5	6,848.8
Operating Segments
Segment Reporting [Line Items]
Inventories	1,031.2	1,101.1
Segment Reconciling Items
Segment Reporting [Line Items]
Inventories	126.4	136.6
All other assets	5,469.9	5,611.1
Segment Reconciling Items \| Beyond Yoga
Segment Reporting [Line Items]
Inventories	41.7	38.5
Americas \| Operating Segments
Segment Reporting [Line Items]
Inventories	713.5	761.7
Europe \| Operating Segments
Segment Reporting [Line Items]
Inventories	155.0	161.3
Asia \| Operating Segments
Segment Reporting [Line Items]
Inventories	$ 162.7	$ 178.1

Amount of asset recognized for present right to economic benefit.

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