Risk Management Activities (Tables)

12 Months Ended

Jun. 30, 2011

Risk Management Activities (Tables) [Abstract]

Summary of Fair Value of Derivative Instruments

June 30,	2010
Derivatives designated as hedging instruments:
Cross-currency swap	$	8,728
Interest rate swap		316
Total derivatives designated as hedging instruments		9,044
Derivative not designated as a hedging instrument — cross-currency swap		2,182
Total Derivatives	$	11,226

Summary of effective Derivative Instruments on Income and Other Comprehensive Income

								Amount of Loss Reclassified from
Derivatives in Cash Flow	Amount of Gain (Loss) Recognized in OCI							Accumulated OCI into Income (Effective
Hedging Relationships	on Derivatives (Effective Portion)							Portion), Included in Interest Expense
	2011	2010			2009			2011			2010			2009
Cross-currency swap		$	(2,039	)	$	3,790
Interest rate swap			(343	)		(1,381	)	$	(316	)	$	(1,408	)	$	(701	)
Total		$	(2,382	)	$	2,409		$	(316	)	$	(1,408	)	$	(701	)

Derivative Not	Amount of Gain (Loss) Recognized on
Designated	Derivative, Included in Other (Income)
as Hedging Instrument	Expense, net
	2011			2010			2009
Cross-currency swap	$	(368	)	$	(510	)	$	947