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Goodwill and Intangible Assets (Textual) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2016
segment
Apr. 29, 2017
USD ($)
Apr. 30, 2016
USD ($)
Apr. 29, 2017
USD ($)
segment
Apr. 30, 2016
USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]          
Number of operating segments | segment 7     7  
Amortization expense | $   $ 88,800 $ 18,400 $ 108,717 $ 36,787
Remaining amortization period       5 years 36 days