CONDENSED STATEMENTS OF CONSOLIDATED INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Income Statement [Abstract]
Net sales	$ 1,163,023	$ 1,073,001	$ 2,362,546	$ 2,171,945
Cost of sales	809,689	744,951	1,647,783	1,518,813
Gross profit	353,334	328,050	714,763	653,132
Selling, distribution and administrative expense, including depreciation	230,125	207,180	462,524	419,090
Operating income	123,209	120,870	252,239	234,042
Interest expense (income), net	942	(936)	1,935	(1,563)
Other income, net	(505)	(755)	(1,053)	(3,036)
Income before income taxes	122,772	122,561	251,357	238,641
Income tax expense	27,423	29,271	55,201	53,288
Net income	$ 95,349	$ 93,290	$ 196,156	$ 185,353
Net income per share - basic (in dollars per share)	$ 2.54	$ 2.43	$ 5.21	$ 4.83
Net income per share - diluted (in dollars per share)	$ 2.51	$ 2.39	$ 5.14	$ 4.76
Weighted average common shares outstanding for basic computation (in shares)	37,595	38,427	37,676	38,413
Dilutive effect of potential common shares (in shares)	460	536	485	543
Weighted average common shares outstanding for diluted computation	38,055	38,963	38,161	38,956