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Long-term Debt (Detail Textuals) (USD $)
 3 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Debt Instrument [Line Items]    
Outstanding amount under Term Loan $ 1,215,078,000 $ 1,285,469,000
Unamortized debt issuance expense 4,866,000 5,178,000
Bank Credit Facility
    
Debt Instrument [Line Items]    
Credit facility maximum borrowing capacity 1,681,300,000  
Credit facility borrowing capacity, description At any time and so long as no default has occurred, the Company has the right to increase the Revolving Facility or the Term Loan in an aggregate principal amount of up to the greater of $400.0 million or an amount subject to 2.75 times senior secured leverage,calculated assuming the Revolving Facility is fully drawn, with applicable lender approvals.  
Loan maturity date Nov. 15, 2018  
Outstanding borrowings interest rate 2.67%  
Debt issuance cost capitalized 18,100,000  
Bank Credit Facility | Long-term Debt
    
Debt Instrument [Line Items]    
Unamortized debt issuance expense 4,900,000  
Bank Credit Facility | Other long-term assets
    
Debt Instrument [Line Items]    
Unamortized debt issuance expense 5,800,000  
Revolving Credit Facility
    
Debt Instrument [Line Items]    
Credit facility maximum borrowing capacity 850,000,000  
Outstanding amount under Term Loan 415,000,000 475,000,000
Same-Day Swing Line Loan Revolving Credit Sub Facility
    
Debt Instrument [Line Items]    
Credit facility maximum borrowing capacity 50,000,000  
Stand-By Letters Of Credit Revolving Credit Sub Facility
    
Debt Instrument [Line Items]    
Credit facility maximum borrowing capacity 25,000,000  
Credit facility, amount outstanding 400,000  
Term Loan
    
Debt Instrument [Line Items]    
Credit facility maximum borrowing capacity 831,300,000  
Term loan period 5 years  
Term loan frequency of payment quarterly  
Outstanding amount under Term Loan 800,078,000 810,469,000
Term Loan | Principal Payment Through 31 December, 2016
    
Debt Instrument [Line Items]    
Term loan principal payment 10,400,000  
Term Loan | Principal Payment Thereafter 31 December, 2016
    
Debt Instrument [Line Items]    
Term loan principal payment $ 20,800,000