Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Net sales	$ 3,047,734	$ 3,249,799	$ 3,164,709
Cost of goods sold	2,692,165	2,856,996	2,795,403
Gross profit	355,569	392,803	369,306
Selling, general and administrative expenses	260,139	252,948	232,291
Depreciation expense	13,033	12,028	12,286
Intangible amortization expense	19,953	17,893	18,680
Impairment charges	120,470	0	0
Change in fair value of contingent consideration	6,941	15,200	37,043
Operating (loss) income	(64,967)	94,734	69,006
Interest expense	12,224	13,162	9,121
Interest income	(5,826)	(1,818)	(3,710)
Other expense (income), net	411	(247)	546
(Loss) income before income taxes	(71,776)	83,637	63,049
Provision for income taxes	7,451	18,778	27,593
Net (loss) income from continuing operations	(79,227)	64,859	35,456
Net loss from discontinued operations	(113,427)	(7,262)	(2,303)
Net (loss) income	$ (192,654)	$ 57,597	$ 33,153
Per share data:
Net (loss) income from continuing operations per common share, basic (in dollars per share)	$ (3.12)	$ 2.53	$ 1.39
Net loss from discontinued operations per common share, basic (in dollars per share)	(4.47)	(0.28)	(0.09)
Net (loss) income per common share, basic (in dollars per share)	$ (7.59)	$ 2.25	$ 1.30
Weighted-average shares outstanding, basic (in shares)	25,378	25,642	25,522
Net (loss) income from continuing operations per common share, diluted (in dollars per share)	$ (3.12)	$ 2.52	$ 1.38
Net loss from discontinued operations per common share, diluted (in dollars per share)	(4.47)	(0.28)	(0.09)
Net (loss) income per common share, diluted (in dollars per share)	$ (7.59)	$ 2.24	$ 1.29
Weighted-average shares outstanding, diluted (in shares)	25,378	25,734	25,624