XML 94 R81.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business Segment Information (Schedule Of Depreciation And Amortization) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Segment Reporting Information [Line Items]      
Depreciation, Depletion and Amortization, Total $ 14,805 $ 14,495 $ 13,476
Filtration [Member]
     
Segment Reporting Information [Line Items]      
Depreciation, Depletion and Amortization, Total 4,200 3,900 3,300
Test [Member]
     
Segment Reporting Information [Line Items]      
Depreciation, Depletion and Amortization, Total 2,500 2,500 2,200
USG [Member]
     
Segment Reporting Information [Line Items]      
Depreciation, Depletion and Amortization, Total 4,600 3,400 3,100
Corporate [Member]
     
Segment Reporting Information [Line Items]      
Depreciation, Depletion and Amortization, Total $ 3,500 $ 4,700 $ 4,900