LONG-TERM DEBT LONG-TERM DEBT - 2017 CREDIT AGREEMENT ISSUANCE COSTS (Details) $ in Millions |
3 Months Ended |
|---|---|
|
Apr. 30, 2018
USD ($)
| |
| 2017 Credit Agreement | |
| Debt Instrument | |
| Amortization of Debt Issuance Costs | $ 6.8 |
| 2017 Term Loan | |
| Debt Instrument | |
| Loss on early retirement of debt | 0.2 |
| Amortization of Debt Issuance Costs | 4.1 |
| 2017 Revolving Credit Facility | |
| Debt Instrument | |
| Amortization of Debt Issuance Costs | $ 2.7 |