Impairment of Goodwill and Other Assets, Restructuring Costs - Schedule of Asset Impairment Charges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Oct. 29, 2023	Jan. 28, 2024	Jan. 29, 2023	Jan. 30, 2022
Impairment of Long-Lived Assets and Other Charges [Line Items]
lululemon Studio Mirror provision		$ 23,709	$ 62,928	$ 0
Impairment of assets:
Impairment of goodwill			362,492
Impairment of intangible assets			40,585
Impairment of goodwill and other assets, restructuring costs		74,501	407,913	0
Income tax effects of charges		(26,085)	(28,171)	0
Lululemon Studio
Impairment of Long-Lived Assets and Other Charges [Line Items]
lululemon Studio Mirror provision		23,709	62,928	0
Impairment of assets:
Impairment of goodwill		0	362,492
Impairment of intangible assets		16,951	40,585
Impairment of cloud computing arrangement implementation costs		16,074	0
Impairment of property and equipment		11,161	4,836
Impairment of assets	$ 44,200	44,186		$ 407,913
Restructuring costs		30,315	0
Impairment of goodwill and other assets, restructuring costs		74,501	407,913
Total pre-tax charges		98,210	470,841
Income tax effects of charges		(26,085)	(28,171)
Total after-tax charges		$ 72,125	$ 442,670