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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 03, 2012
Feb. 26, 2011
Assets    
Cash and cash equivalents $ 54,027 $ 24,302
Short-term marketable securities available for sale 11,664 11,163
Restricted short-term investments 13,603 25,086
Receivables, net of allowance for doubtful accounts 108,424 100,967
Inventories 34,045 32,608
Refundable income taxes   11,567
Deferred tax assets 4,294 5,180
Other current assets 3,382 3,050
Total current assets 229,439 213,923
Property, plant and equipment, net 159,547 179,201
Marketable securities available for sale 7,936 15,709
Restricted investments 9,533 10,717
Goodwill 61,617 62,004
Intangible assets 16,092 19,655
Other assets 8,940 9,889
Total assets 493,104 511,098
Liabilities and Shareholders' Equity    
Accounts payable 34,025 34,943
Accrued payroll and related benefits 23,699 20,140
Accrued self-insurance reserves 4,668 6,330
Other accrued expenses 19,017 24,117
Current liabilities of discontinued operations 799 4,023
Billings in excess of costs and earnings on uncompleted contracts 22,550 23,406
Current portion long-term debt 108 987
Accrued income taxes 905  
Total current liabilities 105,771 113,946
Long-term debt 20,916 21,442
Unrecognized tax benefits 8,918 13,848
Long-term self-insurance reserves 9,605 9,270
Deferred tax liabilities 2,247 4,863
Other long-term liabilities 23,929 19,410
Liabilities of discontinued operations 520 642
Commitments and contingent liabilities (Note 17)      
Shareholders' equity    
Common stock of $0.33-1/3 par value; authorized 50,000,000 shares; issued and outstanding, 28,062,049 and 28,104,627, respectively 9,354 9,368
Additional paid-in capital 113,046 108,991
Retained earnings 203,558 210,203
Common stock held in trust (745) (751)
Deferred compensation obligations 745 751
Accumulated other comprehensive loss (4,760) (885)
Total shareholders' equity 321,198 327,677
Total liabilities and shareholders' equity $ 493,104 $ 511,098