XML 102 R66.htm IDEA: XBRL DOCUMENT v3.10.0.1
Employee Benefits - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 29, 2016
Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Abstract]      
Maximum defer net employment income percentage 100.00%    
Discretionary contribution amount $ 9.7 $ 7.1 $ 6.1