Consolidated Balance Sheets (USD $) In Thousands	Aug. 27, 2011	Feb. 26, 2011
Assets
Cash and cash equivalents	$ 24,611	$ 24,302
Short-term marketable securities available for sale	5,256	11,163
Restricted short-term investments	15,389	25,086
Receivables, net of allowance for doubtful accounts	111,444	100,967
Inventories	40,039	32,608
Refundable income taxes	12,864	11,567
Deferred tax assets	4,247	5,180
Other current assets	2,691	3,050
Total current assets	216,541	213,923
Property, plant and equipment, net	167,103	179,201
Marketable securities available for sale	12,008	15,709
Restricted investments	9,593	10,717
Goodwill	66,749	66,273
Intangible assets	18,739	19,655
Other assets	12,136	9,889
Total assets	502,869	515,367
Liabilities and Shareholders' Equity
Accounts payable	39,381	34,943
Accrued payroll and related benefits	19,306	20,140
Accrued self-insurance reserves	3,927	6,330
Other accrued expenses	21,434	24,117
Current liabilities of discontinued operations	805	4,023
Billings in excess of costs and earnings on uncompleted contracts	18,091	23,406
Current portion long-term debt	133	987
Total current liabilities	103,077	113,946
Long-term debt	21,117	21,442
Unrecognized tax benefits	12,251	13,848
Long-term self-insurance reserves	9,543	9,270
Deferred tax liabilities	9,632	9,132
Other long-term liabilities	24,797	19,410
Liabilities of discontinued operations	597	642
Commitments and contingent liabilities (Note 13)
Shareholders' equity
Common stock of $0.33-1/3 par value; authorized 50,000,000 shares; issued and outstanding 28,318,832 and 28,104,627, respectively	9,440	9,368
Additional paid-in capital	110,862	108,991
Retained earnings	201,103	210,203
Common stock held in trust	(764)	(751)
Deferred compensation obligations	764	751
Accumulated other comprehensive income (loss)	450	(885)
Total shareholders' equity	321,855	327,677
Total liabilities and shareholders' equity	$ 502,869	$ 515,367