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Long-Term Debt (Term Loan And Revolver) (Details)
12 Months Ended 12 Months Ended 6 Months Ended 12 Months Ended
Jul. 07, 2011
USD ($)
Jun. 30, 2011
USD ($)
Oct. 02, 2006
USD ($)
Jun. 30, 2011
Minimum [Member]
Revolving Long-Term Credit Facility [Member]
Jun. 30, 2011
Maximum [Member]
Revolving Long-Term Credit Facility [Member]
Jun. 30, 2011
Term Loan [Member]
USD ($)
Jun. 30, 2010
Term Loan [Member]
USD ($)
Jun. 30, 2009
Term Loan [Member]
USD ($)
Oct. 02, 2006
Term Loan [Member]
USD ($)
Jun. 30, 2011
Revolving Long-Term Credit Facility [Member]
USD ($)
Jun. 30, 2010
Revolving Long-Term Credit Facility [Member]
USD ($)
Jun. 30, 2009
Revolving Long-Term Credit Facility [Member]
USD ($)
Oct. 02, 2006
Revolving Long-Term Credit Facility [Member]
USD ($)
Dec. 31, 2010
Mortgage [Member]
Jun. 30, 2011
Mortgage [Member]
USD ($)
Jun. 30, 2011
Mortgage [Member]
CAD
Jun. 30, 2010
Mortgage [Member]
USD ($)
Jun. 30, 2009
Mortgage [Member]
USD ($)
Credit agreement maximum capacity     $ 465,000,000           $ 390,000,000       $ 75,000,000          
Original mortgage maturity date           seven       October 2, 2011                
Interest addition to floating rate           2.25%                        
Percentage of term loans principal repayments           0.25%                        
Debt, periodic payments                               100,000    
Revolver credit agreement term (in years)                   5                
Revolver credit agreement expiration date           seven       October 2, 2011                
Debt maturity date Oct. 02, 2013 Jan. 01, 2011
Percentage of revolving line of credit fees       0.30% 0.50%                          
Borrowings on the revolver 73,500,000 0               73,500,000                
Revolver credit agreement stand-by fees                   300,000 200,000 200,000            
Interest expense           7,300,000 7,400,000 11,200,000             600,000   600,000 600,000
Debt, periodic payments           $ 700,000