Accounting for Share-Based Payments (Details 1) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 03, 2017 USD ($) $ / shares shares
Schedule of Stock Option Activity
Outstanding, beginning balance, shares | shares	5,431
Outstanding, beginning balance, weighted-average exercise price per share | $ / shares	$ 42.18
Stock options granted | shares	822
Stock options granted, weighted-average exercise price per share | $ / shares	$ 71.47
Stock options canceled, forfeited, or expired | shares	(306)
Stock options canceled, forfeited, or expired, weighted-average exercise price per share | $ / shares	$ 64.52
Stock options exercised | shares	(1,708)
Stock options exercised, weighted-average exercise price per share | $ / shares	$ 33.26
Outstanding, ending balance, shares | shares	4,239
Outstanding, ending balance, weighted-average exercise price per share | $ / shares	$ 49.84
Outstanding, weighted-average remaining term	6 years 4 months 2 days
Outstanding, ending balance, aggregate intrinsic value | $	$ 99,479
Stock options vested and expected to vest, shares | shares	4,166	[1]
Stock options vested and expected to vest, weighted-average exercise price per share | $ / shares	$ 49.50	[1]
Stock options vested and expected to vest, weighted-average remaining term	6 years 3 months 15 days	[1]
Stock options vested and expected to vest, aggregate intrinsic value | $	$ 99,190	[1]
Stock options exercisable | shares	2,693
Stock options exercisable, weighted-average exercise price per share | $ / shares	$ 40.35
Stock options exercisable, weighted-average remaining term	4 years 11 months 1 day
Stock options exercisable, aggregate intrinsic value | $	$ 88,714

[1] Includes outstanding vested options as well as outstanding nonvested options after a forfeiture rate is applied.