Shareholders' Equity - Class of Stock (Details) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
	Aug. 03, 2019 USD ($) shares	Aug. 03, 2019 USD ($) shares	Aug. 01, 2020 vote $ / shares shares	May 02, 2020 shares	Feb. 01, 2020 shares	May 04, 2019 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		(6,100,000)
Stock Repurchased During Period, Value | $	$ 50,000	$ 125,000
Preferred Stock, Par or Stated Value Per Share | $ / shares			$ 0
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		250,000,000
Common stock, shares, issued (in shares)	86,080,000	86,080,000	86,747,000		86,202,000
Common stock, shares, outstanding (in shares)	64,911,000	64,911,000	64,578,000	64,302,000	64,033,000	67,434,000	70,672,000
Treasury Stock, Common, Shares	21,169,000	21,169,000	22,169,000		22,169,000
Stock repurchased during period, shares	(2,668,000)	(6,078,000)
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		100,000,000
Common stock, shares, issued (in shares)	7,733,000	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	7,733,000	7,733,000	7,733,000
Treasury Stock, Common, Shares	0	0	0		0