Condensed Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net sales	$ 747,807	$ 856,404
Cost of sales	532,026	604,944
Gross profit	215,781	251,460
Selling, distribution and administrative expense, including depreciation	163,473	190,294
Operating income	52,308	61,166
Interest expense, net	7,653	10,059
Other income, net	(177)	0
Income before income taxes	44,832	51,107
Income tax expense	10,048	12,308
Net income	$ 34,784	$ 38,799
Net income per share - basic	$ 0.90	$ 1.00
Net income per share - diluted	$ 0.89	$ 1.00
Weighted average common shares outstanding for basic computation	38,722	38,611
Dilutive effect of potential common shares	366	350
Weighted average common shares outstanding for diluted computation	39,088	38,961