Business and segment information Segment information (Tables)

12 Months Ended

Jan. 31, 2015

Segment information [Line Items]

Segment information [Table Text Block]

Segment information was as follows:

	2014	2013
Net sales
Piping Systems	$126,923	$158,422
Filtration Products	67,934	68,413
Total net sales	$194,857	$226,835
Gross profit
Piping Systems	$30,676	$43,273
Filtration Products	7,854	8,942
Total gross profit	$38,530	$52,215
Income (loss) from operations
Piping Systems	$12,665	$24,213
Filtration Products	(3,565)	(1,629)
Corporate	(6,894)	(9,501)
Total income (loss) from operations	$2,206	$13,083
Segment assets
Piping Systems	$99,993	$109,154
Filtration Products	42,335	41,765
Corporate	6,210	12,350
Total segment assets	$148,538	$163,269
Capital expenditures
Piping Systems	$3,953	$2,425
Filtration Products	1,440	294
Corporate	485	42
Total capital expenditures	$5,878	$2,761
Depreciation and amortization
Piping Systems	$3,635	$3,489
Filtration Products	1,710	1,729
Corporate	552	567
Total depreciation and amortization	$5,897	$5,785

Geographic information [Table Text Block]

Geographic information. Net sales are attributed to a geographic area based on the destination of the product shipment. Sales to foreign customers was 44% in 2014 compared to 57% in 2013. Long-lived assets are based on the physical location of the assets and consist of property, plant and equipment used in the generation of revenues in the geographic area.

	2014	2013
Net sales
United States	$109,257	$97,311
Middle East	52,292	94,500
Europe	14,482	14,933
Canada	4,160	7,591
India	5,469	773
Other Americas	5,627	6,915
Other	3,570	4,812
Total net sales	$194,857	$226,835
Property, plant and equipment, net of accumulated depreciation
United States	$26,747	$25,260
Middle East	11,608	12,751
Denmark	3,274	4,020
India	391	510
Total	$42,020	$42,541