Shareholders' Equity - Class of Stock (Details) $ in Thousands	3 Months Ended
	May 04, 2019 USD ($) shares	May 02, 2020 vote shares	Feb. 01, 2020 shares	Feb. 02, 2019 shares
Class of Stock [Line Items]
Preferred stock, shares authorized		100,000,000
Preferred stock, shares issued		0
Stock repurchased during period, shares	(3,400,000)
Stock Repurchased During Period, Value | $	$ 75,000
Class A common shares
Class of Stock [Line Items]
Common Stock, Voting Rights, Votes per Share | vote		1
Common stock, shares authorized (in shares)	250,000,000	250,000,000	250,000,000
Common stock, shares, issued (in shares)	85,935,000	86,471,000	86,202,000
Common stock, shares, outstanding (in shares)	67,434,000	64,302,000	64,033,000	70,672,000
Stock repurchased during period, shares	(3,410,000)
Class B common shares
Class of Stock [Line Items]
Common Stock, Voting Rights, Votes per Share | vote		8
Common stock, shares authorized (in shares)	100,000,000	100,000,000	100,000,000
Common stock, shares, issued (in shares)	7,733,000	7,733,000	7,733,000
Common stock, shares, outstanding (in shares)	7,733,000	7,733,000	7,733,000	7,733,000
Treasury shares
Class of Stock [Line Items]
Common stock, shares, outstanding (in shares)	18,501,000	22,169,000	22,169,000	15,091,000