Consolidated Statements of Income - USD ($) shares in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 795,020,000	$ 707,780,000	$ 673,398,000
Cost of revenue	764,200,000	708,986,000	640,633,000
Gross profit (loss)	30,820,000	(1,206,000)	32,765,000
Selling, general and administrative expenses	68,249,000	67,690,000	69,756,000
Goodwill and other intangible asset impairment	12,316,000	18,312,000	0
Restructuring costs	3,142,000	646,000	6,756,000
Operating loss	(52,887,000)	(87,854,000)	(43,747,000)
Other income (expense):
Interest expense	(2,024,000)	(2,951,000)	(1,559,000)
Interest income	290,000	90,000	126,000
Other	1,860,000	32,432,000	1,917,000
Loss before income tax expense	(52,761,000)	(58,283,000)	(43,263,000)
Provision (benefit) for federal, state and foreign income taxes	(400,000)	5,617,000	(12,039,000)
Net income (loss)	$ (52,361,000)	$ (63,900,000)	$ (31,224,000)
Basic loss per common share	$ (1.94)	$ (2.39)	$ (1.18)
Diluted loss per common share	$ (1.94)	$ (2.39)	$ (1.18)
Weighted average common shares outstanding:
Basic (in shares)	26,988	26,733	26,451
Diluted (in shares)	26,988	26,733	26,451