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ACQUISITIONS (Acquisition of Volker) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 12 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2012
Volker [Member]
Sep. 30, 2011
Volker [Member]
Feb. 13, 2012
Volker [Member]
Sep. 30, 2012
Volker [Member]
Trade Names [Member]
Y
Feb. 13, 2012
Volker [Member]
Trade Names [Member]
Sep. 30, 2012
Volker [Member]
Customer Relationships [Member]
Y
Feb. 13, 2012
Volker [Member]
Customer Relationships [Member]
Business Acquisition [Line Items]                    
Purchase price of entity       $ 76.7   $ 80.7        
Purchase price of entity, net of cash acquired           77.0        
Receivable from seller       4.0            
Capital sales 1,198.2 1,119.0 996.6 60.8            
Fair value of the assets acquired and liabilities assumed                    
Goodwill           34.8        
Intangible assets               12.3   17.5
Net assets acquired           21.9        
Deferred tax liability           (9.8)        
Total purchase price           76.7        
Intangible Assets                    
Useful Life             7   8  
Pro Forma Information:                    
Impact to total revenues       $ 49.9 $ 117.0