XML 70 R55.htm IDEA: XBRL DOCUMENT v3.8.0.1
INCOME TAXES (Detail Textuals) - USD ($)
 12 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Jan. 31, 2016
Income Taxes [Line Items]      
US corporate income tax rate 33.80% 35.00% 35.00%
Corporate income tax rate effective in 2018 21.00%    
Deferred tax liabilities related to intangible assets $ 22,804,000 $ 21,347,000  
Valuation allowance of deferred tax assets 1,600,000    
Undistributed earnings of foreign subsidiaries 0    
Decrease in unrecognized tax position reserve for current year accrual of interest and penalties $ 1,000,000    
Commercial foreign sourced income tax rate 11.60%    
Unrecognized tax benefits (inclusive of tax, interest and penalties) $ 429,000    
Provisional charge 7,700,000    
Provisional charge related to the repatriation tax 3,300,000    
Provisional charge related to tax expense $ 4,400,000    
Maximum      
Income Taxes [Line Items]      
US corporate income tax rate 35.00%    
Switzerland      
Income Taxes [Line Items]      
Deferred tax liabilities related to intangible assets $ 15,800,000 $ 13,800,000