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FAIR VALUE MEASUREMENTS - Additional Information (Details)
ft² in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2024
USD ($)
Apr. 27, 2023
USD ($)
Jan. 31, 2024
USD ($)
Jul. 31, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jul. 31, 2022
ft²
Apr. 30, 2021
USD ($)
Jan. 31, 2024
USD ($)
Jan. 31, 2023
USD ($)
Nov. 30, 2022
USD ($)
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Sale of business agreement terms, period following transaction closing date 6 years                  
Contingent consideration receivable $ 2,685,000   $ 2,685,000         $ 2,685,000 $ 0  
Impairment loss of assets to be disposed of                 2,000,000  
SAFE, investment during period     100,000 $ 500,000 $ 1,100,000          
SAFE investment 1,700,000   1,700,000         1,700,000    
Noncontrolling equity investments 5,146,000   5,146,000         5,146,000 5,146,000  
Noncontrolling equity investment in privately-held companies, impairments               0 0  
Recurring                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration receivable 2,700,000   2,700,000         2,700,000    
Contingent consideration obligations, fair value 7,300,000   7,300,000         7,300,000    
Selling, general and administrative                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Impairment loss of assets to be disposed of                 1,800,000  
Other income (expense), net                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Impairment loss of assets to be disposed of                 200,000  
Level 2 | Recurring                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration receivable 0   0         0 8,000  
Contingent consideration obligations, fair value 3,750,000   3,750,000         3,750,000 0  
Level 3 | Recurring                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration receivable 2,685,000   2,685,000         2,685,000 0  
Contingent consideration obligations, fair value 3,511,000   3,511,000         3,511,000 12,717,000  
Revolving Credit Facility | Level 3                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Long-term debt 99,000,000   99,000,000         99,000,000 0  
Term Loan                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Repayments of debt   $ 100,000,000         $ 309,000,000      
Term Loan | Level 3                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Long-term debt                 100,000,000  
2021 Notes | Level 2                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Long-term debt $ 281,000,000   $ 281,000,000         $ 281,000,000 $ 282,000,000  
Minimum | Discount Rate                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration, liability, measurement input 0.058   0.058         0.058 0.066  
Contingent consideration, asset, measurement input 0.075   0.075         0.075    
Maximum | Discount Rate                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration, liability, measurement input 0.064   0.064         0.064 0.076  
Contingent consideration, asset, measurement input 0.089   0.089         0.089    
Weighted Average | Discount Rate                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Contingent consideration, liability, measurement input 0.062   0.062         0.062 0.069  
Contingent consideration, asset, measurement input 0.078   0.078         0.078    
Disposal Group, Disposed of by Sale, Not Discontinued Operations                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Consideration from divestiture $ 6,000,000   $ 6,000,000         $ 6,000,000    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Office Building Held For Sale                    
Assets and Liabilities Measured at Fair Value on Recurring Basis                    
Area of assets held for sale | ft²           50        
Assets held for sale, carrying value                   $ 900,000