Goodwill and Other Intangibles Narrative (Details) (USD $)	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 400,000	$ 337,000	$ 820,000	$ 425,000
Finite-lived intangible assets, amortization expense for remainder of current fiscal year	788,000		788,000
Indefinite-lived trademarks	376,000		376,000
Goodwill impairment loss			$ 0