v3.26.1
DISCONTINUED OPERATIONS - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2026
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2026
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Possible tax loss       $ 8,451    
Loss consists of write-down       14,332    
Estimated costs to sell       8,316    
Acquisition costs       5,287    
Depreciation and amortization expense $ 6,381 $ 5,951   12,239 $ 11,829  
Carrying value of credit and debt card receivables 31,099     31,099    
Forecast | Subsequent Event            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Proceeds from organization of joint venture     $ 100,000      
Notes issued     $ 161,100      
ONCAP | Forecast | Subsequent Event            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Equity interest (as percent)           57.00%
Griffon | Forecast | Subsequent Event            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Equity interest (as percent)           43.00%
Cost of goods and services            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       11,577    
Assets of discontinued operations            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       15,751    
Discontinued Operations            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       21,282    
Discontinued Operations | Personnel related costs            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Payments for restructuring       6,046    
Discontinued Operations | Intangible Asset Impairments            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       6,609    
Discontinued Operations | Inventory Write-down            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       7,340    
Global Sourcing Strategy Expansion | Discontinued Operations            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Restructuring charges       27,328    
Global Sourcing Strategy Expansion | Discontinued Operations | Fixed Asset Write-down Charges            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Non-cash charges       7,333    
Discontinued Operations, Held-for-sale            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Depreciation and amortization expense 2,389     8,574    
Depreciation if not discontinued 5,965     12,150    
Depreciation and amortization excluded 3,576     3,576    
Depreciation and amortization expense   6,058     12,173  
Amortization 1,451     5,762    
Lease amortization excluded 2,931     2,931    
Amortization if not discontinued $ 4,382 $ 4,180   $ 8,693 $ 8,512