Stockholders' Equity (Restricted Stock Activity) (Details) - Restricted stock shares in Thousands	12 Months Ended
	Jan. 30, 2021 $ / shares shares
Number of shares (000)
Unvested at beginning of period (in shares) | shares	4,394
Awarded (in shares) | shares	1,157
Released (in shares) | shares	(1,233)
Forfeited (in shares) | shares	(88)
Unvested at end of period (in shares) | shares	4,230
Weighted-average grant date fair value
Unvested at beginning of period (in dollars per share) | $ / shares	$ 76.20
Awarded (in dollars per share) | $ / shares	98.00
Released (in dollars per share) | $ / shares	65.74
Forfeited (in dollars per share) | $ / shares	77.77
Unvested at end of period (in dollars per share) | $ / shares	$ 85.15