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, 2023			$ 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 equity-based payment arrangements (value)			$ 0	0
Tax withholding related to share-based compensation				(2,944)
Shares issued for Employee Stock Purchase Plan (value)				3,418
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
Balance, beginning of period (value) at Jun. 30, 2024	$ 1,842,364		$ 1,042	619,805	3,081,690	(1,860,173)
Shares, beginning of period at Jun. 30, 2024			104,245,089
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued for equity-based payment arrangements (shares)			65,387
Shares issued for Employee Stock Purchase Plan (shares)			21,547
Shares issued for equity-based payment arrangements (value)			$ 1	1
Tax withholding related to share-based compensation				(6,169)
Shares issued for Employee Stock Purchase Plan (value)				3,041
Stock-based compensation expense				6,705
Net Income	119,191				119,191
Dividends					(40,104)
Purchase of treasury shares						0
Balance, end of period (value) at Sep. 30, 2024	$ 1,925,028		$ 1,043	$ 623,381	$ 3,160,777	$ (1,860,173)
Shares, end of period at Sep. 30, 2024			104,332,023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared per share	$ 0.55
Preferred Shares		0