Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions (Details)

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Business Acquisitions (Details) (Rotex Global, LLC, USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Jun. 30, 2012
Rotex Global, LLC
     
Acquisitions      
Increase in goodwill, and adjusted net deferred taxes, and other liabilities     $ 6.5
Pro forma financial information      
Pro forma net revenue 240.0 723.9  
Pro forma net income $ 27.4 $ 93.0  
Pro forma diluted earnings per share (in dollars per share) $ 0.44 $ 1.50