Revenue by Distribution Channel (Details) - USD ($) $ in Millions		3 Months Ended			6 Months Ended
		Aug. 02, 2020		Aug. 04, 2019	Aug. 02, 2020		Aug. 04, 2019
Disaggregation of Revenue [Line Items]
Revenues	[1]	$ 1,580.7	[2]	$ 2,364.2	$ 2,924.7	[2]	$ 4,720.5
Net sales
Disaggregation of Revenue [Line Items]
Revenues		1,531.2		2,249.0	2,788.4		4,486.3
Net sales | Wholesale
Disaggregation of Revenue [Line Items]
Revenues		685.6		1,137.8	1,493.8		2,498.5
Net sales | Retail
Disaggregation of Revenue [Line Items]
Revenues		845.6		1,111.2	1,294.6		1,987.8
Royalty revenue
Disaggregation of Revenue [Line Items]
Revenues		37.0		85.8	106.0		175.2
Advertising and other revenue
Disaggregation of Revenue [Line Items]
Revenues		$ 12.5		$ 29.4	$ 30.3		$ 59.0

[1] Revenue was impacted by fluctuations of the United States dollar against foreign currencies in which the Company transacts significant levels of business.

[2] Revenue was significantly negatively impacted by the COVID-19 pandemic, including as a result of temporary store closures and reduced traffic and consumer spending trends. The Company’s wholesale customers and licensing partners also experienced significant business disruptions as a result of the pandemic, resulting in a decrease in the Company’s revenue from these channels