CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statement - USD ($) $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]
Balance, beginning of period (value) at Jun. 30, 2022			$ 1,039	$ 551,360	$ 2,636,342	$ (1,807,118)
Shares, beginning of period at Jun. 30, 2022			103,921,724
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for equity-based payment arrangements (shares)			12,141
Shares issued for Employee Stock Purchase Plan (shares)			19,263
Shares issued for Employee Stock Purchase Plan (value)			$ 1	3,232
Tax withholding related to share-based compensation				(1,556)
Stock-based compensation expense				6,998
Net Income	$ 106,549				106,549
Dividends					(35,709)
Purchase of treasury shares						0
Balance, end of period (value) at Sep. 30, 2022	$ 1,461,138		$ 1,040	560,034	2,707,182	(1,807,118)
Shares, end of period at Sep. 30, 2022			103,953,128
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share	$ 0.49
Preferred Shares		0
Balance, beginning of period (value) at Jun. 30, 2023	$ 1,608,510		$ 1,041	583,836	2,855,751	(1,832,118)
Shares, beginning of period at Jun. 30, 2023			104,088,784
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for equity-based payment arrangements (shares)			31,057
Shares issued for Employee Stock Purchase Plan (shares)			24,708
Shares issued for Employee Stock Purchase Plan (value)			$ 0	3,418
Tax withholding related to share-based compensation				(2,944)
Stock-based compensation expense				7,148
Net Income	101,679				101,679
Dividends					(37,863)
Purchase of treasury shares						(20,000)
Balance, end of period (value) at Sep. 30, 2023	$ 1,659,948		$ 1,041	$ 591,458	$ 2,919,567	$ (1,852,118)
Shares, end of period at Sep. 30, 2023			104,144,549
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share	$ 0.52
Preferred Shares		0