Condensed Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net sales	$ 830,797	$ 885,443	$ 2,520,576	$ 2,589,996
Cost of sales	594,045	629,884	1,791,130	1,839,724
Gross profit	236,752	255,559	729,446	750,272
Selling, distribution and administrative expense, including depreciation	183,702	189,456	556,485	556,865
Goodwill & intangible impairment	131,000		131,000
Goodwill & intangible impairment		31,594		31,594
Operating (loss) income	(77,950)	34,509	41,961	161,813
Interest expense, net	8,805	9,947	28,447	30,001
Other income, net	(1,428)	(1,256)	(1,643)	(549)
(Loss) income before income taxes	(85,327)	25,818	15,157	132,361
Income tax (benefit) expense	(2,550)	9,283	21,104	28,171
Net (loss) income	$ (82,777)	$ 16,535	$ (5,947)	$ 104,190
Net (loss) income per share - basic	$ (2.14)	$ 0.43	$ (0.15)	$ 2.69
Net (loss) income per share - diluted	$ (2.14)	$ 0.42	$ (0.15)	$ 2.66
Weighted average common shares outstanding for basic computation	38,682	38,643	38,647	38,701
Dilutive effect of potential common shares	0	396	0	521
Weighted average common shares outstanding for diluted computation	38,682	39,039	38,647	39,222