Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2018	May 31, 2017
Cash Flows From Operating Activities:
Net income	$ 15,718	$ 12,062
Adjustments to reconcile net income to net cash used in operating activities:
Provision for doubtful accounts	1,815	63
Amortization and depreciation	13,071	12,423
Deferred income taxes	639	261
Net loss (gain) on sale of property, plant and equipment	212	(100)
Amortization of deferred borrowing costs	138	154
Share-based compensation expense	1,358	1,194
Effects of changes in assets and liabilities:
Accounts receivable	(29,577)	(14,114)
Inventories	(1,362)	(6,976)
Prepaid expenses and other	(5,927)	(5,619)
Other assets	(1,148)	(1,019)
Net change in contract assets and liabilities	(20,438)	(4,940)
Accounts payable	5,576	(2,405)
Other accrued liabilities and income taxes payable	7,559	(6,788)
Net cash used in operating activities	(12,366)	(15,804)
Cash Flows Used For Investing Activities:
Proceeds from sale of property, plant and equipment	0	171
Purchase of Property, Plant and Equipment	(2,847)	(10,141)
Acquisition of Subsidiaries, Net of Cash Acquired	(8,000)	0
Net Cash From Investing Activities	(10,847)	(9,970)
Cash Flows From Financing Activities:
Proceeds from revolving loan	102,500	128,000
Payments on revolving loan	(67,000)	(36,500)
Payments on Long Term Debt	(14,286)	(63,504)
Payments for Repurchase of Common Stock	0	(2,683)
Payments of Dividends	(4,418)	(4,423)
Net Cash Used In Financing Activities	16,796	20,890
Effect of Exchange Rate Changes on Cash	(498)	(81)
Net Increase (Decrease) In Cash & Cash Equivalents	(6,915)	(4,965)
Cash & Cash Equivalents At Beginning of Period	20,853	11,302
Cash & Cash Equivalents At End of Period	13,938	6,337
Supplemental Disclosures
Cash Paid For Interest	2,465	2,286
Cash Paid For Income Taxes	$ 670	$ 7,097