CONTRACT BALANCES AND CONTRACT COSTS - Narrative (Details)	3 Months Ended
	Apr. 29, 2022 USD ($) performanceObligationElement	Apr. 30, 2021 USD ($)
Disaggregation of Revenue [Line Items]
Deferred revenue billed in advance, percent	62.00%
Deferred revenue billed monthly or quarterly, percent	38.00%
Number of elements performance obligation is comprised of | performanceObligationElement	2
Impairment losses on deferred commissions and deferred fulfillment costs | $	$ 0	$ 0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-30
Disaggregation of Revenue [Line Items]
Performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-30 | Managed Security Services
Disaggregation of Revenue [Line Items]
Performance obligation period	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-30 | Professional services
Disaggregation of Revenue [Line Items]
Performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-04-29
Disaggregation of Revenue [Line Items]
Performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-04-28
Disaggregation of Revenue [Line Items]
Performance obligation period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-04-26
Disaggregation of Revenue [Line Items]
Performance obligation period