ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jan. 31, 2017
ACCOUNTING POLICIES (Details) [Line Items]
Income Taxes Paid	$ 6.5	$ 1.0
Proceeds from Income Tax Refunds	0.0	$ 0.0
Income Tax Examination, Penalties and Interest Accrued	0.3		$ 0.2
Unrecognized Tax Benefits, Period Increase (Decrease)	$ 1.3
Property, Plant and Equipment, Depreciation Methods	Depreciation is computed using the straight-line method
Approximate [Member]
ACCOUNTING POLICIES (Details) [Line Items]
Unrecognized Tax Benefits	$ 2.0		$ 1.9
Cost of Sales [Member]
ACCOUNTING POLICIES (Details) [Line Items]
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 years
Fixtures And Equipment [Member] | Minimum [Member]
ACCOUNTING POLICIES (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	2
Fixtures And Equipment [Member] | Maximum [Member]
ACCOUNTING POLICIES (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	20 years