XML 49 R37.htm IDEA: XBRL DOCUMENT v3.19.1
New Accounting Pronouncements (Details) - USD ($)
$ in Thousands
3 Months Ended
May 04, 2019
May 05, 2018
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]    
Operating lease assets and liabilities recognized upon adoption of ASC 842 $ 295,240 $ 0
Cumulative Effect of New Accounting Principle in Period of Adoption $ 331 $ 0