Accounting Policies (Details) (USD $)	3 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Accounting Policies (Details) [Line Items]
Interest Paid	$ 820,000	$ 981,000
Derivative Settlement on Interest Rate Swap	398,000	440,000
Income Taxes Paid	10,050,000	0
Unrecognized Tax Benefit	1,451,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	425,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	24,000
Property, Plant and Equipment, Depreciation Methods	Depreciation is computed using the straight-line method
Impairment of Real Estate	$ 68,000	$ 0
Estimated Cash Flow Percentage	25.00%
EstimatedFutureCashFlowsTerms	six
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, Estimated Useful Lives	15
Building and Building Improvements [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	40
Fixtures And Equipment [Member] | Minimum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	3
Fixtures And Equipment [Member] | Maximum [Member]
Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	20
Minimum [Member]
Accounting Policies (Details) [Line Items]
Extended Period of Warranty	12 months
Maximum [Member]
Accounting Policies (Details) [Line Items]
Extended Period of Warranty	60 months