Consolidated Income Statements - Unaudited - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
REVENUES	$ 224,380,000	$ 195,522,000	$ 436,102,000	$ 385,775,000
Cost of revenues	173,632,000	151,270,000	337,200,000	299,644,000
Gross profit	50,748,000	44,252,000	98,902,000	86,131,000
General and administrative expenses	22,078,000	19,538,000	42,198,000	35,989,000
Income before income tax provision	28,670,000	24,714,000	56,704,000	50,142,000
Income tax provision	5,272,000	4,816,000	11,729,000	10,439,000
NET INCOME	$ 23,398,000	$ 19,898,000	$ 44,975,000	$ 39,703,000
Net income per common and common equivalent share
Basic	$ 1.37	$ 1.16	$ 2.63	$ 2.32
Diluted	$ 1.35	$ 1.15	$ 2.6	$ 2.29
Weighted average common and common equivalent shares
Basic	17,133,000	17,123,000	17,127,000	17,133,000
Diluted	17,341,000	17,346,000	17,327,000	17,365,000