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REVENUES FROM CONTRACT WITH CUSTOMERS - Disaggregation of Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2018 | Oct. 31, 2017 | Oct. 31, 2018 | Oct. 31, 2017
Disaggregation of Revenues |  |  |  |
Consolidated Revenues | $ 116,459 | $ 232,945 | $ 394,495 | $ 723,237
United States |  |  |  |
Disaggregation of Revenues |  |  |  |
Consolidated Revenues | 87,892 | 226,207 | 320,985 | 708,246
United Kingdom |  |  |  |
Disaggregation of Revenues |  |  |  |
Consolidated Revenues | 19,708 | 3,487 | 53,866 | 6,156
Republic of Ireland |  |  |  |
Disaggregation of Revenues |  |  |  |
Consolidated Revenues | 8,698 | $ 3,251 | 18,857 | $ 8,835
Other |  |  |  |
Disaggregation of Revenues |  |  |  |
Consolidated Revenues | $ 161 |  | $ 787 |

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 32 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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