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Summary of Significant Accounting Policies (Details 5) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Intangible Assets:      
Gross Carrying Amount $ 44.9 $ 41.8  
Accumulated Amortization (8.2) (3.5)  
Net Carrying Value 36.7 38.3  
Amortization expense 4.7 3.1 0.2
Future amortization of intangible assets      
2013 4.6    
2014 3.1    
2015 3.1    
2016 3.0    
2017 2.4    
Thereafter 20.4    
Trade names
     
Intangible Assets:      
Gross Carrying Amount 24.0 23.3  
Accumulated Amortization (3.1) (1.6)  
Net Carrying Value 20.9 21.7  
Customer and distributor relationships
     
Intangible Assets:      
Gross Carrying Amount 18.9 16.5  
Accumulated Amortization (4.0) (1.3)  
Net Carrying Value 14.9 15.2  
Developed technology
     
Intangible Assets:      
Gross Carrying Amount 1.5 1.5  
Accumulated Amortization (0.9) (0.4)  
Net Carrying Value 0.6 1.1  
Other
     
Intangible Assets:      
Gross Carrying Amount 0.5 0.5  
Accumulated Amortization (0.2) (0.2)  
Net Carrying Value $ 0.3 $ 0.3