XML 56 R40.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill And Other Intangible Assets (Schedule Of Intangible Assets Gross Carrying Amounts And Accumulated Amortization) (Details) (USD $)
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Goodwill $ 361,280,000 $ 361,864,000 $ 355,700,000
Patents [Member]
      
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Gross carrying amount 13,500,000 13,500,000  
Less: accumulated amortization 13,300,000 13,300,000  
Net 200,000 200,000  
Capitalized Software [Member]
      
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Gross carrying amount 129,800,000 116,700,000  
Less: accumulated amortization 67,000,000 57,400,000  
Net 62,800,000 59,300,000  
Customer Relationships [Member]
      
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Gross carrying amount 61,400,000 61,400,000  
Less: accumulated amortization 14,700,000 11,600,000  
Net 46,700,000 49,800,000  
Other Intangible Assets [Member]
      
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Gross carrying amount 10,300,000 10,300,000  
Less: accumulated amortization 10,300,000 9,600,000  
Net   700,000  
Trade Names [Member]
      
Finite-Lived And Indefinite-Lived Intangible Assets [Line Items]      
Intangible assets with indefinite lives $ 121,700,000 $ 121,800,000