Business and segment information Segment information (Tables)

12 Months Ended

Jan. 31, 2014

Segment information [Line Items]

Segment information [Table Text Block]

Segment information was as follows:

	2013	2012
Net sales
Piping Systems	$158,422	$89,664
Filtration Products	68,413	79,143
Total net sales	$226,835	$168,807
Gross profit
Piping Systems	$43,273	$17,020
Filtration Products	8,942	10,474
Total gross profit	$52,215	$27,494
Income (loss) from operations
Piping Systems	$24,213	$3,452
Filtration Products	(1,629)	(2,962)
Corporate	(9,501)	(9,310)
Total income (loss) from operations	$13,083	$(8,820)
Segment assets
Piping Systems	$109,154	$83,944
Filtration Products	41,765	52,958
Corporate	12,350	12,586
Total segment assets	$163,269	$149,488
Capital expenditures
Piping Systems	$2,425	$4,206
Filtration Products	294	995
Corporate	42	159
Total capital expenditures	$2,761	$5,360
Depreciation and amortization
Piping Systems	$3,489	$3,344
Filtration Products	1,729	1,750
Corporate	567	712
Total depreciation and amortization	$5,785	$5,806
Interest expense, net
Piping Systems	$495	$226
Filtration Products	1,966	2,239
Corporate	(1,150)	(967)
Total interest expense, net	$1,311	$1,498
Impairment of fixed assets
Filtration Products	$0	$1,520

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 57% in 2013 compared to 30% in 2012. 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.

	2013	2012
Net sales
United States	$97,311	$104,830
Middle East	94,500	24,631
Europe	14,933	16,324
Canada	7,591	9,771
India	773	6,317
Other Americas	6,915	2,317
Other	4,812	4,617
Total net sales	$226,835	$168,807
Long-lived assets
United States	$25,260	$26,952
Middle East	12,751	13,204
Denmark	4,020	4,445
India	510	981
Total long-lived assets	$42,541	$45,582