Earnings Per Share (Tables)

9 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of Earnings per Share

Basic earnings per share are computed by dividing net income by the weighted-average number of common shares outstanding. Diluted earnings per share are computed by dividing net income by the weighted-average number of common and potential common shares outstanding.

	Quarter ended				Nine months ended
	March 31,				March 31,
	2013		2012		2013		2012
	(in thousands, except per share data)
Numerator:
Net Income	$	13,978	$	14,756	$	47,977	$	54,503
Denominator:
Weighted-average shares, basic	27,847		27,489		27,725		27,290
Dilutive effect of share-based payments	177		437		235		419
Weighted-average shares, diluted	28,024		27,926		27,960		27,709
Net income per common share, basic	$	0.50	$	0.54	$	1.73	$	2.00
Net income per common share, diluted	$	0.50	$	0.53	$	1.72	$	1.97