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Working Capital (Tables)
 12 Months Ended
Feb. 27, 2016
Working Capital [Abstract]  
Receivables
Receivables
(In thousands)
2016
 
2015
Trade accounts
$
102,627

 
$
111,494

Construction contracts
41,631

 
33,582

Contract retainage
28,249

 
24,547

Other receivables
2,822

 
5,242

Total receivables
175,329

 
174,865

Less allowance for doubtful accounts
(2,497
)
 
(3,242
)
Net receivables
$
172,832

 
$
171,623
Inventories
Inventories
(In thousands)
2016
 
2015
Raw materials
$
21,404

 
$
19,761

Work-in-process
9,958

 
14,385

Finished goods
25,486

 
23,076

Costs and earnings in excess of billings on uncompleted contracts
6,538

 
4,186

Total inventories
$
63,386

 
$
61,408
Other Current Liabilities
Other Current Liabilities
 (In thousands)
2016
 
2015
Warranties
$
14,666

 
$
10,022

Taxes, other than income taxes
5,058

 
5,203

Unearned revenue
533

 
1,266

Volume discounts
837

 
1,145

Current portion of deferred gain on sale leaseback
507

 
1,015

Current portion of long-term compensation plans
840

 
841

Other
6,898

 
6,109

Total other current liabilities
$
29,339

 
$
25,601