Goodwill and Other Intangibles Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Jul. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 254,000	$ 305,000
Amortization expense for remainder of current fiscal year	758,000
Indefinite-lived trademarks	$ 376,000
Goodwill impairment loss			$ 0