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Divestitures - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 3 Months Ended 12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2010
Certain Medical Assets [Member]
Sep. 30, 2012
Discovery Labware [Member]
Divestitures [Line Items]        
Proceeds expected from sale of productive assets       $ 728,000
Proceeds received on sale of assets     270,000  
Pre-tax gain on sale     146,478  
Gain on sale recognized in other income $ 1,902 $ 18,039 $ 18,197