CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue	$ 375,872	$ 395,173
Cost of Operations
Contract costs	296,016	322,886
General and administrative costs	37,795	30,730
Impairment loss of long-lived asset	7,673	0
Corporate development costs	1,735	614
Depreciation and amortization	15,562	7,665
Total operating costs	358,781	361,895
Income from operations	17,091	33,278
Interest expense	(16,271)	(2,215)
Income before provision for income taxes	820	31,063
Provision for income tax (benefit) expense	(641)	7,775
Net income	$ 1,461	$ 23,288
Earnings Per Share [Abstract]
Net income per share - basic (in dollars per share)	$ 0.11	$ 1.82
Net income per share - diluted (in dollars per share)	$ 0.10	$ 1.64
Weighted average common shares outstanding
Basic (in shares)	13,704	12,830
Diluted (in shares)	14,431	14,179