Accounts Receivable Accounts Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Oct. 31, 2017
Accounts Receivable [Abstract]
Allowance for Doubtful Accounts	$ 639		$ 1,271
Bad debt benefit	(120)	$ (13)
Accounts Receivable Factored	8,714		7,567
Accounts receivable recourse liability	$ 9,223		$ 8,072