Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Cash Flows From Operating Activities:
Net income (loss) available to common shareholders	$ (61,214)	$ 84,022	$ 39,614
Net income (loss) from discontinued operations	(119,313)	34,205	12,431
Dividends on preferred stock	8,240	0	0
Net income from continuing operations	66,339	49,817	27,183
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Bad debt expense (recoveries)	(58)	100	207
Depreciation and amortization	74,590	32,081	32,094
Deferred income taxes	7,007	3,201	387
Equity in earnings of unconsolidated entities	(2,597)	0	0
Loss on disposal of business	0	640	3,080
Loss on abandonment of long-lived assets	135	0	13,025
Net (gain) loss on sale of property, plant and equipment	(1,032)	666	183
Amortization of debt financing costs	11,271	455	545
Share-based compensation expense	8,382	9,449	7,330
Effects of changes in assets and liabilities, net of acquisitions and dispositions:
Accounts receivable	(26,545)	(21,291)	8,383
Inventories	(17,198)	(18,765)	1,044
Prepaid expenses and other	(4,190)	1,578	(1,599)
Other assets	(3,677)	(1,406)	(5,648)
Net change in contract assets and liabilities	(4,404)	(37)	13,283
Accounts payable	(14,035)	5,719	18,813
Other accrued liabilities and income taxes payable	(2,558)	(1,609)	(9,202)
Net cash provided by operating activities of continuing operations	91,430	60,598	109,108
Cash flows from investing activities
Proceeds from sale or insurance settlements of property, plant and equipment	4,121	2,666	84
Acquisition of subsidiaries, net of cash acquired	(1,282,730)	(61,219)	(4,419)
Proceeds from divestiture	106,808	0	12,444
Purchase of property, plant and equipment	(57,120)	(23,590)	(27,179)
Net cash used in investing activities of continuing operations	(1,228,921)	(82,143)	(19,070)
Cash flows from financing activities:
Proceeds from issuance of common stock	2,372	2,788	2,832
Payments for taxes related to net share settlement of equity awards	(3,000)	(2,187)	(712)
Proceeds from revolving loan	380,000	296,000	228,000
Payments on revolving loan	(362,000)	(248,000)	(277,000)
Proceeds from long term debt	1,540,000	0	150,000
Payments of debt financing costs	(87,548)	0	(592)
Payments on long term debt	(419,750)	0	(125,000)
Repurchase and retirement of treasury stock	0	30,815	48,311
Payments of dividends	(22,739)	(16,874)	(17,642)
Net cash provided by (used in) financing activities of continuing operations	1,027,335	912	(88,425)
Effect of exchange rate changes on cash	505	158	3,133
Net cash provided by (used in) operating activities from discontinued operations	(21,275)	25,412	(17,073)
Net cash used in investing activities from discontinued operations	(1,336)	(4,692)	(9,523)
Net cash provided by financing activities from discontinued operations	120,000	0	0
Cash provided by (used in) discontinued operations	97,389	20,720	(26,596)
Net increase (decrease) in cash and cash equivalents	(12,262)	245	(21,850)
Cash and cash equivalents at beginning of year	15,082	14,837	36,687
Cash and cash equivalents at end of year	2,820	15,082	14,837
Cash and cash equivalents at end of year	2,820	12,082	11,837
Cash and cash equivalents at beginning of year	12,082	11,837
Less: Cash and cash equivalents from discontinued operations at end of year	$ 0	$ (3,000)	$ (3,000)