EARNINGS PER SHARE - Reconciliation of Shares Used to Calculate Basic and Diluted Earnings Per Share (Detail) - shares	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Class A Common Stock
Class of Stock [Line Items]
Basic shares	25,991,433	25,845,758
Assumed conversion of restricted shares	0	0
Diluted shares	25,991,433	25,845,758
Class B Common Stock
Class of Stock [Line Items]
Basic shares	22,000,000	22,000,000
Diluted shares	22,000,000	22,000,000
Basic and diluted shares	22,007,725	22,007,725