Summary Of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2012

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Construction In Progress In Accounts Payable

	September 30,
	2012		2011
Construction in progress in accounts payable	$	721	$	1,843

Schedule Of Basic And Diluted Earnings Per Share Calculations

	Three Months Ended
	September 30,
	2012		2011
Net income	$	26,662	$	21,258
Net income available to participating securities		(53)		(27)
Net income available to common shareholders	$	26,609	$	21,231
Weighted average common shares outstanding - basic		27,229		27,290
Incremental share effect from:
Restricted stock		5		6
Stock-settled stock appreciation rights		30		18
Weighted average common shares outstanding - diluted		27,264		27,314
Net income per common share - basic and diluted	$	0.98	$	0.78