Revenue (Tables)

12 Months Ended

Jun. 30, 2022

Revenue [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

	June 30, 2022		June 30, 2021		Change
	(In thousands)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	44,752	$	30,774	$	13,978
Billings on uncompleted contracts in excess of costs and estimated earnings	(65,106)		(53,832)		(11,274)
Net contract liabilities	$	(20,354)	$	(23,058)	$	2,704

Disaggregation of Revenue [Table Text Block]

Geographic Disaggregation:

	Fiscal Years Ended
	June 30, 2022		June 30, 2021		June 30, 2020
	(In thousands)
United States	$	640,512	$	604,739	$	1,020,083
Canada	63,045		61,703		70,133
Other international	4,223		6,956		10,722
Total	$	707,780	$	673,398	$	1,100,938

Contract Type Disaggregation:

	Fiscal Years Ended
	June 30, 2022		June 30, 2021		June 30, 2020
	(In thousands)
Fixed-price contracts	$	421,188	$	444,042	$	685,559
Time and materials and other cost reimbursable contracts	286,592		229,356		415,379
Total	$	707,780	$	673,398	$	1,100,938