Condensed Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Net Income $ 3,251 $ 1,892 $ 9,849 $ 6,206
Other Comprehensive Income (net of tax):        
Unrealized gain on marketable securities 4 11 2 7
Pension and postretirement benefits 150 58 450 175
Cumulative translation adjustment (41) 69 (18) (158)
Total Comprehensive Income $ 3,364 $ 2,030 $ 10,283 $ 6,230