REVENUES FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenues
Totals	$ 455,040	$ 509,370	$ 392,206
United States
Disaggregation of Revenues
Totals	328,850	456,211	340,615
Republic of Ireland
Disaggregation of Revenues
Totals	68,242	35,044	13,638
United Kingdom
Disaggregation of Revenues
Totals	$ 57,948	17,521	37,836
Other
Disaggregation of Revenues
Totals		$ 594	$ 117