Earnings Per Share Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Earnings Per Share, Basic and Diluted [Abstract]
Net Income	$ 95,670	$ 71,982	$ 197,783	$ 163,198
Common share information:
Weighted average shares outstanding for basic earnings per share	73,580	76,202	73,798	76,354
Dilutive effect of stock options and restricted stock	117	78	122	142
Weighted average shares outstanding for diluted earnings per share	73,697	76,280	73,920	76,496
Basic earnings per share	$ 1.30	$ 0.94	$ 2.68	$ 2.14
Diluted earnings per share	1.30	$ 0.94	$ 2.68	$ 2.13
Treasury Stock, Shares, Acquired			1,250	675	2,800
Common stock repurchase impact on diluted earnings per share	$ 0.05		$ 0.09
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	28	21	23	21