Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2019	Sep. 01, 2018
Operating Activities
Net earnings	$ 34,722	$ 35,887
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	22,759	26,457
Stock-based compensation	3,200	3,119
Deferred income taxes	9,861	6,061
Proceeds from new markets tax credit transaction, net of deferred costs	0	6,052
Noncash lease expense	2,714	0
Other, net	(2,023)	(1,497)
Changes in operating assets and liabilities:
Receivables	(9,215)	10,598
Inventories	4,054	2,747
Costs and earnings on contracts in excess of billings	(19,865)	(39,191)
Accounts payable and accrued expenses	(19,044)	(15,409)
Billings in excess of costs and earnings on uncompleted contracts	(2,001)	12,449
Refundable and accrued income taxes	(5,641)	2,130
Other, net	(1,719)	(1,474)
Net cash provided by operating activities	17,802	47,929
Investing Activities
Capital expenditures	(22,559)	(24,241)
Purchases of marketable securities	(3,852)	(9,066)
Sales/maturities of marketable securities	4,522	4,943
Other	(1,121)	(1,435)
Net cash provided by (used in) investing activities	(23,010)	(29,799)
Financing Activities
Borrowings on line of credit	184,500	205,000
Proceeds from Issuance of Debt	150,000	0
Payments on line of credit	307,500	196,500
Repurchase and retirement of common stock	20,010	0
Dividends paid	(9,203)	(8,823)
Proceeds from (Payments for) Other Financing Activities	(2,493)	(935)
Net cash provided by (used in) financing activities	(4,706)	(1,258)
Decrease in cash and cash equivalents	(9,914)	16,872
Effect of exchange rates on cash	118	(266)
Cash, cash equivalents and restricted cash at beginning of year	29,241	19,359
Cash, cash equivalents and restricted cash at end of period	19,445	35,965
Noncash Activity
Capital expenditures in accounts payable	$ 1,583	$ 1,756