STOCKHOLDERS' EQUITY - Summary of Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Activity in Accumulated Other Comprehensive Loss
Beginning balances	$ 832,666	$ 858,149
Other comprehensive loss before reclassifications	(7,252)
Amounts reclassified out of accumulated other comprehensive loss	27
Other comprehensive (loss) income	(7,279)	8,510
Ending balances	818,911	823,388
Unrealized Gains (Losses) on Foreign Exchange Contracts Designated as Hedges
Activity in Accumulated Other Comprehensive Loss
Beginning balances	141
Other comprehensive loss before reclassifications	(192)
Amounts reclassified out of accumulated other comprehensive loss	27
Other comprehensive (loss) income	(219)
Ending balances	(78)
Foreign Currency Translation Adjustments
Activity in Accumulated Other Comprehensive Loss
Beginning balances	(143,103)
Other comprehensive loss before reclassifications	(7,060)
Amounts reclassified out of accumulated other comprehensive loss	0
Other comprehensive (loss) income	(7,060)
Ending balances	(150,163)
AOCI Attributable to Parent
Activity in Accumulated Other Comprehensive Loss
Beginning balances	(142,962)	(154,099)
Other comprehensive (loss) income	(7,279)	8,510
Ending balances	$ (150,241)	$ (145,589)