Condensed Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 1,146,390	$ 1,132,035	$ 3,318,731	$ 3,254,720
Cost of sales	808,144	798,917	2,338,313	2,306,314
Gross profit	338,246	333,118	980,418	948,406
Selling, distribution and administrative expense, including depreciation	217,040	206,207	623,938	602,070
Operating income	121,206	126,911	356,480	346,336
Interest expense, net	265	4,773	3,502	17,438
Other (income) expense, net	(1,724)	(142)	(4,217)	1,624
Income before income taxes	122,665	122,280	357,195	327,274
Income tax expense	25,448	25,093	74,924	72,750
Net income	$ 97,217	$ 97,187	$ 282,271	$ 254,524
Net income per share - basic	$ 2.51	$ 2.52	$ 7.29	$ 6.60
Net income per share - diluted	$ 2.48	$ 2.47	$ 7.18	$ 6.49
Weighted average common shares outstanding for basic computation	38,675	38,617	38,707	38,574
Dilutive effect of potential common shares	577	651	584	629
Weighted average common shares outstanding for diluted computation	39,252	39,268	39,291	39,203