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LONG-TERM DEBT (Details 2) (USD $)
3 Months Ended 3 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Accrued and other liabilities
Sep. 30, 2013
Other liabilities
Sep. 30, 2013
Interest rate swap
Cash flow hedging
Jun. 30, 2013
Interest rate swap
Cash flow hedging
Sep. 30, 2013
Interest rate swap agreement maturing on May 13, 2016
Interest rate swap agreement            
Variable interest rate description before hedging of debt           LIBOR
Effective interest rate for hedged variable rate debt (as a percent)           2.09%
Notional amount of interest rate swap       $ 258,800,000 $ 264,400,000  
Amounts expected to be reclassified from other comprehensive income to interest expense 4,700,000          
Fair value of interest rate swap liability $ 9,317,000 $ 4,653,000 $ 4,664,000