Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities (Accumulated Other Comprehensive Income) (Details)

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Derivative Instruments and Hedging Activities (Accumulated Other Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
Beginning balance $ (111) $ (959) $ (962) $ 12
Amount reclassified to income (128) 702 964 925
Net change 2,242 (223) 2,001 (1,417)
Beginning balance $ 2,003 $ (480) $ 2,003 $ (480)