XML 23 R73.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset (note 15) $ (1,457) $ (3,170)
Total recurring assets fair value (1,457) (3,170)
Significant other observable inputs (Level 2) [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative financial instrument asset (note 15) (1,457) (3,170)
Total recurring assets fair value $ (1,457) $ (3,170)