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Basis of Presentation Basis of Presentation (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Gross profit $ 77,498us-gaap_GrossProfit $ 77,762us-gaap_GrossProfit  
Income from operations 16,277us-gaap_OperatingIncomeLoss 19,606us-gaap_OperatingIncomeLoss  
Net income 10,051us-gaap_NetIncomeLoss 12,087us-gaap_NetIncomeLoss 51,444us-gaap_NetIncomeLoss
Restatement Adjustment      
Gross profit   0us-gaap_GrossProfit
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
 
Income from operations   0us-gaap_OperatingIncomeLoss
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember
 
Net income   $ 0us-gaap_NetIncomeLoss
/ us-gaap_StatementScenarioAxis
= us-gaap_RestatementAdjustmentMember