Earnings (Loss) Per Share (Schedule of Basic and Diluted EPS Computations) (Details) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Earnings Per Share [Abstract]
Basic EPS (in shares)	352,481	356,879	352,320	359,919
Basic EPS (in dollars per share)	$ 0.37	$ 1.04	$ (0.43)	$ 3.35
Effect of dilutive common stock equivalents, (in shares)	1,976	2,420	0	2,536
Effect of dilutive common stock equivalents, (in dollars per share)	$ 0	$ (0.01)	$ 0	$ (0.03)
Diluted EPS (in shares)	354,457	359,299	352,320	362,455
Diluted EPS (in dollars per share)	$ 0.37	$ 1.03	$ (0.43)	$ 3.32