Stock-Based Compensation (Total Stock-Based Compensation Recognized In The Consolidated Statements Of Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 22,481	$ 18,490	$ 42,719	$ 36,206
Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	10,316	8,278	20,111	16,108
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 12,165	$ 10,212	$ 22,608	$ 20,098