XML 12 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Accounting Policies (Details) (USD $)
 3 Months Ended 6 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Jul. 31, 2014
Jul. 31, 2013
Accounting Policies (Details) [Line Items]        
Interest Paid $ 496,000 $ 941,000 $ 1,316,000 $ 1,922,000
Derivative Settlement on Interest Rate Swap 376,000 422,000 774,000 862,000
Income Taxes Paid     18,521,000 0
Unrecognized Tax Benefit 1,451,000   1,451,000  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 439,000   439,000  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 24,000   $ 24,000  
Property, Plant and Equipment, Depreciation Methods Depreciation is computed using the straight-line method.      
Maximum Percentage of Equity Ownership Interest Which May be Considered for Equity Method of Accounting 20.00%      
Building and Building Improvements [Member] | Minimum [Member]
        
Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 15 years      
Building and Building Improvements [Member] | Maximum [Member]
        
Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 40 years      
Fixtures And Equipment [Member] | Minimum [Member]
        
Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 3 years      
Fixtures And Equipment [Member] | Maximum [Member]
        
Accounting Policies (Details) [Line Items]        
Property, Plant and Equipment, Useful Life 20 years