Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2011

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Construction In Progress In Accounts Payable

		December 31		December 31
		2011		2010
Construction in progress in accounts payable	$	438	$	41

Schedule Of Basic And Diluted Earnings Per Share Calculations

		Three Months						Six Months
		Ended						Ended
		December 31						December 31
		2011			2010			2011			2010
Net income	$	30,373		$	34,863		$	51,631		$	57,630
Net income available to participating securities		(39	)		(64	)		(66	)		(105	)
Net income available to common shareholders	$	30,334		$	34,799		$	51,565		$	57,525
Weighted average common shares outstanding -
basic		27,206			27,758			27,248			27,886
Incremental share effect from:
Restricted stock		4			4			5			5
Stock-settled stock appreciation rights		30			23			24			20
Weighted average common shares outstanding –
diluted		27,240			27,785			27,277			27,911
Net income per common share – basic
and diluted	$	1.11		$	1.25		$	1.89		$	2.06