Stock-Based Compensation (Total Stock-Based Compensation Recognized In The Consolidated Statements Of Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 22,218	$ 20,284	$ 64,937	$ 56,489
Cost of goods sold
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	10,377	9,569	30,488	25,677
Selling, general and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation	$ 11,841	$ 10,715	$ 34,449	$ 30,812