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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016	Jan. 31, 2017
RELATED PARTY TRANSACTIONS (Details) [Line Items]
Accrued Liabilities for Commissions, Expense and Taxes	$ 1.5		$ 1.5
One Earth Energy And Nu Gen Energy [Member]
RELATED PARTY TRANSACTIONS (Details) [Line Items]
Costs and Expenses, Related Party	43.4	$ 34.2	121.8	$ 114.6
Accounts Payable, Related Parties, Current	$ 2.7		2.7		$ 1.7
Refined Coal [Member]
RELATED PARTY TRANSACTIONS (Details) [Line Items]
Costs and Expenses, Related Party			$ 1.6

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Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The carrying amount for commissions, taxes and other expenses that were incurred but unpaid as of the balance sheet date.

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-Publisher FASB
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Costs of sales and operating expenses for the period incurred from transactions with related parties.

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