Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2012

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Construction In Progress In Accounts Payable

	December 31,
	2012		2011
Construction in progress in accounts payable	$	3,393	$	438

Schedule Of Basic And Diluted Earnings Per Share Calculations

	Three Months Ended				Six Months Ended
	December 31,				December 31,
	2012		2011		2012		2011
Net income	$	35,277	$	30,373	$	61,939	$	51,631
Net income available to participating securities		(246)		(39)		(299)		(66)
Net income available to common shareholders	$	35,031	$	30,334	$	61,640	$	51,565
Weighted average common shares outstanding - basic		27,243		27,206		27,236		27,248
Incremental share effect from:
Restricted stock		4		4		4		5
Stock-settled stock appreciation rights		26		30		28		24
Weighted average common shares outstanding - diluted		27,273		27,240		27,268		27,277
Net income per common share - basic	$	1.29	$	1.11	$	2.26	$	1.89
Net income per common share - diluted	$	1.28	$	1.11	$	2.26	$	1.89