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Condensed Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2013
Jan. 31, 2012
Net Income $ 2,146 $ 3,239 $ 6,598 $ 4,314
Other Comprehensive Income (net of tax):        
Unrealized loss on marketable securities (5) (3) (2) (4)
Pension and postretirement benefits 150 60 300 117
Cumulative translation adjustment 7 (34) 23 (227)
Total Comprehensive Income $ 2,298 $ 3,262 $ 6,919 $ 4,200