Earnings Per Share (Tables)

12 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Earnings Per Share of Common Stock Outstanding

The following table presents the calculation of basic and diluted earnings per share of common stock outstanding:

	Year Ended June 30,
	2013				2012				2011
	Basic		Diluted		Basic		Diluted		Basic		Diluted
Numerator for Basic and Diluted Earnings per Share:
Net income	$	142,407	$	142,407	$	329,541	$	329,541	$	135,916	$	135,916
Denominator for Basic and Diluted Earnings per Share:
Weighted average shares outstanding		68,990		68,990		71,297		71,297		70,992		70,992
Employee stock options		0		746		0		786		0		643
Total weighted average shares outstanding		68,990		69,736		71,297		72,083		70,992		71,635
Earnings per Share:
Earnings per share	$	2.06	$	2.04	$	4.62	$	4.57	$	1.91	$	1.90