Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Dec. 02, 2017	Mar. 04, 2017
Current assets
Cash and cash equivalents	$ 12,845	$ 19,463
Short-term available for sale securities	482	548
Restricted cash	0	7,834
Receivables, net of allowance for doubtful accounts	246,863	185,740
Inventories	98,062	73,409
Refundable income taxes	0	1,743
Other current assets	16,536	8,724
Total current assets	374,788	297,461
Property, plant and equipment, net	302,904	246,748
Available for sale securities	9,766	9,041
Deferred tax assets	6,128	4,025
Goodwill	152,881	101,334
Intangible assets	173,856	106,686
Other assets	23,445	19,363
Total assets	1,043,768	784,658
Current liabilities
Accounts payable	62,655	63,182
Accrued payroll and related benefits	33,769	51,244
Accrued self-insurance reserves	8,834	8,575
Other current liabilities	60,923	34,200
Billings in excess of costs and earnings on uncompleted contracts	38,830	28,857
Accrued income taxes	4,520	0
Total current liabilities	209,531	186,058
Long-term debt	231,276	65,400
Unrecognized tax benefits	4,837	3,980
Long-term self-insurance reserves	17,038	8,831
Deferred tax liabilities	2,910	4,025
Other non-current liabilities	59,481	45,787
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 28,996,209 and 28,958,119, respectively	9,547	9,560
Additional paid-in capital	154,357	150,111
Retained earnings	375,280	341,996
Common stock held in trust	(908)	(875)
Deferred compensation obligations	908	875
Accumulated other comprehensive loss	(20,489)	(31,090)
Total shareholders’ equity	518,695	470,577
Total liabilities and shareholders' equity	$ 1,043,768	$ 784,658