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Fair Value Measurements (Narratives) (Details) (Malibu Boat LLC [Member], USD $)
6 Months Ended 12 Months Ended
Dec. 31, 2013
Jun. 30, 2013
Malibu Boat LLC [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Asset impairments $ 0 $ 0