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Earnings Per Share Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income	$ 52,762	$ 49,788
Common share information:
Weighted average shares outstanding for basic earnings per share	82,195,000	85,294,000
Dilutive effect of stock options and restricted stock	394,000	560,000
Weighted average shares outstanding for diluted earnings per share	82,589,000	85,854,000
Basic earnings per share	$ 0.64	$ 0.58
Diluted earnings per share	$ 0.64	$ 0.58
Antidilutive stock options and restricted stock excluded from computation of earnings per share	78,000	18,000

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