Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 5)

v2.4.0.8
Summary of Significant Accounting Policies (Details 5) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended 12 Months Ended
Jul. 24, 2008
Mar. 31, 2014
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Investments          
Investments     $ 12.1 $ 11.3  
Warrants to purchase common stock       1.0  
Value of warrants exercised   6.2      
Gain (loss) recorded in other income (expense)   5.2      
Maximum amount of additional funding commitments on certain investments     1.6    
Treasury Stock          
Maximum amount of common stock repurchases 100.0        
Treasury Stock, Shares, Acquired     1,727,000    
Shares repurchased and classified as treasury stock     39.0    
Shares Repurchased     527,000    
Treasury Stock, Value, Acquired, Cost Method     16.5    
Shares issued from treasury stock under various stock compensation programs (in shares)     100,000 400,000  
Remaining amount of share repurchases     61.0    
Preferred stock          
Authorized shares of preferred stock (in shares)     1,000,000    
Preferred stock par value     $ 0 $ 0  
Shares issued     0 0  
Accumulated other comprehensive loss          
Currency translation     (4.9) 31.4  
Pension and postretirement (net of taxes of $26.4 and $19.7)     (46.0) (33.0)  
Unrealized (loss) gain on derivative instruments (net of taxes of $ 0.6 and $0.1)     (1.3) 0.2  
Accumulated other comprehensive loss     (52.2) (1.4)  
Pension and postretirement, taxes     26.4 19.7  
Unrealized gain (loss) on derivative instruments, taxes     0.6 0.1  
Revenue recognition          
Revenue from long-term manufacturing contracts as a percentage of total revenue     25.00%    
Research and Development Costs          
Research and development costs     14.4 12.2 5.2
Warranty costs          
Warranty reserves     18.4 17.4  
Warranty costs     4.5 4.0 2.6
Derivative instruments and hedging activity          
Foreign currency exchange forward contracts, assets at fair value     1.2 1.5  
Foreign currency exchange forward contracts, liabilities at fair value     4.1 0.5  
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]
         
Derivative instruments and hedging activity          
Aggregate notional value of derivatives     123.3 165.8  
Minimum [Member]
         
Investments          
Period for additional funding     3 years    
Warranty costs          
Period over which Process equipment group offers warranty     1 year    
Derivative instruments and hedging activity          
Term of foreign currency exchange forward contracts     1 month    
Maximum [Member]
         
Investments          
Period for additional funding     5 years    
Self-Insurance          
Deductibles and self-insured retentions per occurrence     $ 0.5    
Warranty costs          
Period over which Process equipment group offers warranty     2 years    
Derivative instruments and hedging activity          
Term of foreign currency exchange forward contracts     24 months    
Business acquisitions and related business acquisition and transition costs          
Measurement period over which initial purchase price allocations are subject to revision     1 year