Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Nov. 30, 2020	Nov. 30, 2019
Cash Flows From Operating Activities:
Net income (loss)	$ 23,454	$ 58,877
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for doubtful accounts	233	2,316
Amortization and depreciation	34,176	37,208
Deferred income taxes	(4,660)	(4,486)
Loss on disposal of business	3,050	0
Non-cash restructuring and impairment charges	17,219	0
Net gain on sale of property, plant and equipment	0	(305)
Amortization of deferred borrowing costs	503	404
Share-based compensation expense	5,773	4,904
Effects of changes in assets and liabilities, net of acquisitions and dispositions:
Accounts receivable	9,715	(28,088)
Inventories	(1,763)	6,245
Prepaid expenses and other	2,327	1,491
Other assets	226	286
Net change in contract assets and liabilities	(15,297)	(54,149)
Accounts payable	(7,782)	18,386
Other accrued liabilities and income taxes payable	(7,780)	28,965
Net cash provided by operating activities	59,394	72,054
Cash Flows Used For Investing Activities:
Proceeds from sale of property, plant and equipment	454	337
Purchase of property, plant and equipment	(27,885)	(22,543)
Proceeds from sale of subsidiaries, net	12,444	0
Acquisition of subsidiaries, net of cash acquired	0	(60,628)
Net cash used in investing activities	(14,987)	(82,834)
Cash Flows From Financing Activities:
Proceeds from issuance of common stock	1,694	1,781
Payments for taxes related to net share settlement of equity awards	(646)	(1,217)
Proceeds from revolving loan	161,000	320,500
Payments on revolving loan	(182,000)	(306,500)
Purchases of treasury shares	(30,953)	0
Payments of dividends	(13,324)	(13,355)
Net cash (used in) provided by financing activities	(64,229)	1,209
Effect of exchange rate changes on cash	2,330	(145)
Net decrease in cash and cash equivalents	(17,492)	(9,716)
Cash and cash equivalents at beginning of period	36,687	24,005
Cash and cash equivalents at end of period	19,195	14,289
Supplemental disclosures
Cash paid for interest	5,241	8,426
Cash paid for income taxes	$ 15,208	$ 7,985