Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Net Income	$ 4,250	$ 3,821	$ 6,259	$ 9,244
Other Comprehensive Income (Loss):
Pension and postretirement benefits (net of tax)	309	130	578	308
Cumulative translation adjustment	63	(139)	49	(150)
Other Comprehensive Income (Loss)	372	(9)	627	158
Total Comprehensive Income	$ 4,622	$ 3,812	$ 6,886	$ 9,402