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Fair Value Measurements (Schedule Of Estimated Fair Values Of Long Term Debt) (Details) (7 3/8% Senior Notes [Member], USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Jan. 30, 2014
Jan. 21, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Debt instrument, stated interest rate 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage 7.375%us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt instrument, maturity Mar. 01, 2021      
Level 2 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
7 3/8% Senior Notes due 321,125us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember		 369,250us-gaap_LongTermDebtFairValue
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember