Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000006845 (http://www.sec.gov/CIK)

Working Capital [Abstract]	Period [Axis]
	2015-03-01 - 2016-02-27
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