XML 55 R46.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments (Details) - Schedule of Financial information For Equity Method Investment - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2016
Jul. 31, 2015
Patriot [Member]        
Investments (Details) - Schedule of Financial information For Equity Method Investment [Line Items]        
Net sales and revenue [1] $ 52,375 $ 115,614
Gross profit [1] 10,605 14,424
Income from continuing operations [1] 9,321 11,100
Net income [1] 9,321 11,100
Big River [Member]        
Investments (Details) - Schedule of Financial information For Equity Method Investment [Line Items]        
Net sales and revenue 210,974 223,191 394,545 407,998
Gross profit 17,057 38,463 22,928 49,267
Income from continuing operations 12,216 26,663 14,620 37,040
Net income $ 12,216 $ 26,663 $ 14,620 $ 37,040
[1] The Company's equity interest in Patriot was sold June 1, 2015, results are for the two and five month periods ended May 31, 2015.