Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 04, 2017	Feb. 27, 2016
Current assets
Cash and cash equivalents	$ 19,463	$ 60,470
Short-term available for sale securities	548	30,173
Restricted cash	7,834	0
Receivables, net of allowance for doubtful accounts	185,740	172,832
Inventories	73,409	63,386
Refundable income taxes	1,743	0
Deferred tax assets	0	1,820
Other current assets	8,724	8,112
Total current assets	297,461	336,793
Property, plant and equipment, net	246,748	202,462
Available for sale securities	9,041	12,519
Deferred tax assets	4,025	0
Goodwill	101,334	73,996
Intangible assets	106,686	19,862
Other non-current assets	19,363	11,808
Total assets	784,658	657,440
Current liabilities
Accounts payable	63,182	64,762
Accrued payroll and related benefits	51,244	39,946
Accrued self-insurance reserves	8,575	7,818
Other current liabilities	34,200	29,339
Billings in excess of costs and earnings on uncompleted contracts	28,857	31,890
Accrued income taxes	0	3,626
Total current liabilities	186,058	177,381
Long-term debt	65,400	20,400
Unrecognized tax benefits	3,980	4,441
Long-term self-insurance reserves	8,831	7,137
Deferred tax liabilities	4,025	4,972
Other non-current liabilities	45,787	36,914
Commitments and contingent liabilities (Note 11)
Shareholders’ equity
Common stock of $0.33-1/3 par value; authorized 50,000,000 shares; issued and outstanding 28,680,841 and 28,683,948 shares, respectively	9,560	9,561
Additional paid-in capital	150,111	145,528
Retained earnings	341,996	282,477
Common stock held in trust	(875)	(837)
Deferred compensation obligations	875	837
Accumulated other comprehensive loss	(31,090)	(31,371)
Total shareholders’ equity	470,577	406,195
Total liabilities and shareholders’ equity	$ 784,658	$ 657,440