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Commitments and Contingencies (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended
Jun. 30, 2012
extension
Apr. 27, 2007
Jun. 30, 2012
Minimum [Member]
D
Jun. 30, 2012
Maximum [Member]
D
Jun. 30, 2011
Maximum [Member]
Apr. 27, 2007
Current Square Footage [Member]
sqft
Apr. 27, 2007
Expansion Square Footage [Member]
sqft
Jun. 30, 2012
Supplier Concentration Risk [Member]
Sales [Member]
vendor
Jun. 30, 2011
Supplier Concentration Risk [Member]
Sales [Member]
vendor
Jun. 30, 2010
Supplier Concentration Risk [Member]
Sales [Member]
vendor
Area leased under lease agreement (in square feet)           600,000 147,000      
Term of lease (in months)   120 months                
Number of lease extension options 2                  
Length of lease extension options 5 years                  
Concentration risk, supplier               10 10 10
Termination period under terms of distribution agreement (days)     30 120            
Cumulative expenditures on ERP system $ 33.5                  
Cumulative capitalized expenditures on ERP system 26.8                  
Total expenditures expected on ERP system     58.0 72.0 38.5          
Expected capitalized expenditures on ERP system in next fiscal year     9.0 15.0            
Expected capital expenditures on ERP system $ 42.0