Summary of Significant Accounting Policies (Schedule Of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Jan. 28, 2017	Jan. 30, 2016
Accounting Policies [Abstract]
Income taxes	$ 97,502	$ 94,194
Deferred compensation	100,423	86,073
Deferred rent	67,941	63,241
Tenant improvement allowances	20,554	20,300
Other Liabilities	4,530	4,360
Total	$ 290,950	$ 268,168