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Summary of Significant Accounting Policies (Schedule Of Other Long-Term Assets) (Details) - USD ($)
$ in Thousands
Jan. 30, 2016
Jan. 31, 2015
Accounting Policies [Abstract]    
Deferred compensation $ 86,073 $ 94,054
Restricted cash and investments 55,913 56,107
Other 10,701 10,508
Total $ 152,687 $ 160,669