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Component: (Network and Table)
Network
41701 - Disclosure - INCOME TAXES - Components of Company's Income Tax Expense (Details)
(http://www.arganinc.com/role/DisclosureIncomeTaxesComponentsOfCompanySIncomeTaxExpenseDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000100591 (http://www.sec.gov/CIK)
INCOME TAXESPeriod [Axis]
2015-02-01 - 2016-01-31
2014-02-01 - 2015-01-31
2013-02-01 - 2014-01-31
INCOME TAXES
 
 
 
Current:
 
 
 
Federal
16,458,000  
15,249,000  
20,765,000  
State
5,423,000  
4,767,000  
3,525,000  
Total
21,881,000  
 
20,016,000  
 
24,290,000  
 
Deferred:
 
 
 
Federal
2,950,000  
788,000  
1,419,000  
State
471,000  
108,000  
282,000  
Total
3,421,000  
 
896,000  
 
1,701,000  
 
Income tax expense
25,302,000  
 
20,912,000  
 
25,991,000