Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 01, 2014	Mar. 02, 2013
Current assets
Cash and cash equivalents	$ 28,465	$ 37,767
Short-term available for sale securities	204	26,007
Restricted short-term investments	0	21,804
Receivables, net of allowance for doubtful accounts	154,914	121,170
Inventories	47,982	36,052
Refundable income taxes	973	1,371
Deferred tax assets	3,529	2,218
Other current assets	6,725	5,452
Total current assets	242,792	251,841
Property, plant and equipment, net	193,946	168,948
Available for sale securities	11,273	12,807
Restricted investments	2,540	4,639
Goodwill	78,021	61,342
Intangible assets	27,198	13,675
Other non-current assets	9,587	6,889
Total assets	565,357	520,141
Current liabilities
Accounts payable	47,241	34,235
Accrued payroll and related benefits	25,216	26,732
Accrued self-insurance reserves	6,683	6,145
Other current liabilities	35,088	23,643
Billings in excess of costs and earnings on uncompleted contracts	22,557	21,355
Current portion long-term debt	49	10,057
Total current liabilities	136,834	122,167
Long-term debt	20,659	20,756
Unrecognized tax benefits	5,234	6,765
Long-term self-insurance reserves	7,977	8,030
Deferred tax liabilities	7,403	3,480
Other non-current liabilities	34,620	25,625
Shareholders’ equity
Common stock of $0.33-1/3 par value; authorized 50,000,000 shares; issued and outstanding 28,958,119 and 28,513,536, respectively	9,653	9,505
Additional paid-in capital	130,570	119,759
Retained earnings	225,367	211,135
Common stock held in trust	(791)	(761)
Deferred compensation obligations	791	761
Accumulated other comprehensive loss	(12,960)	(7,081)
Total shareholders’ equity	352,630	333,318
Total liabilities and shareholders’ equity	$ 565,357	$ 520,141