EARNINGS PER SHARE (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Earnings Per Share [Abstract]
Net income (loss)	$ (17,833)	$ 51,206
Distributed and undistributed (earnings) to unvested restricted stock	0	(732)
Distributed and undistributed earnings (loss) to common shareholders—Basic	$ (17,833)	$ 50,474
Weighted average shares outstanding—Basic (in shares)	21,814	22,501
Weighted average shares outstanding—Diluted (in shares)	21,814	22,501
Earnings per common share-Basic (in usd per share)	$ (0.82)	$ 2.24
Earnings per common share-Diluted (in usd per share)	$ (0.82)	$ 2.24