ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES - REVENUE RECOGNITION (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue recognized which was previously deferred	$ 1.8	$ 2.2	$ 3.7	$ 4.4
Remaining performance obligations	24.8		24.8		$ 24.2
Deferred commissions, net of accumulated amortization	$ 0.5		$ 0.5		$ 0.5
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations (as a percent)	38.00%		38.00%
Remaining performance obligation period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations (as a percent)	29.00%		29.00%
Remaining performance obligation period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations (as a percent)	19.00%		19.00%
Remaining performance obligation period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations (as a percent)	11.00%		11.00%
Remaining performance obligation period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations (as a percent)	3.00%		3.00%
Remaining performance obligation period
Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period fees are due for adjustable rebate contracts (in days)			30 days
Duration over which software maintenance, hardware maintenance, and subscription services are generally transferred			3 years
Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period fees are due for adjustable rebate contracts (in days)			60 days
Duration over which software maintenance, hardware maintenance, and subscription services are generally transferred			5 years
Interactive devices | Minimum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Hardware maintenance services terms (in months)			30 months
Interactive devices | Maximum
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Hardware maintenance services terms (in months)			60 months
Non-interactive projectors
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Hardware maintenance services terms (in months)			60 months