Consolidated Income Statements - Unaudited - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
REVENUES	$ 202,303,000	$ 179,386,000	$ 588,078,000	$ 533,119,000
Cost of revenues	160,143,000	139,041,000	459,788,000	416,811,000
Gross profit	42,160,000	40,345,000	128,290,000	116,308,000
General and administrative expenses	19,798,000	18,128,000	55,786,000	54,347,000
Income before income tax provision	22,362,000	22,217,000	72,504,000	61,961,000
Income tax provision	5,267,000	5,368,000	15,706,000	13,765,000
NET INCOME	$ 17,095,000	$ 16,849,000	$ 56,798,000	$ 48,196,000
Net income per common and common equivalent share
Basic	$ 1	$ 0.98	$ 3.32	$ 2.77
Diluted	$ 0.99	$ 0.96	$ 3.27	$ 2.73
Weighted average common and common equivalent shares
Basic	17,106,000	17,245,000	17,124,000	17,379,000
Diluted	17,326,000	17,487,000	17,352,000	17,647,000