Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2014
Net Sales	$ 262,313	$ 261,402	$ 266,313
Cost of Sales	(185,164)	(201,245)	(206,663)
Gross Profit	77,149	60,157	59,650
Selling, General and Administrative Expenses	(61,736)	(45,004)	(47,232)
Income from Operations	15,413	15,153	12,418
Other Income (Expense)
Interest income	29	13	23
Interest expense	(1,035)	(1,327)	(1,569)
Foreign exchange (loss) gain	(384)	(349)	35
Other, net	334	679	430
Total Other Expense, Net	(1,056)	(984)	(1,081)
Income Before Income Taxes	14,357	14,169	11,337
Income Taxes	(744)	(2,801)	(2,981)
Net income	$ 13,613	$ 11,368	$ 8,356
Net Income Per Share
Diluted Common	$ 1.87	$ 1.59	$ 1.17
Average Shares Outstanding
Diluted Common (in shares)	7,094	7,037	7,004
Basic Common
Net Income Per Share
Basic	$ 2.04	$ 1.73	$ 1.27
Average Shares Outstanding
Basic (in shares)	4,986	4,955	4,981
Basic Class B Common
Net Income Per Share
Basic	$ 1.53	$ 1.30	$ 0.96
Average Shares Outstanding
Basic (in shares)	2,050	2,019	2,001