RESTRUCTURING CHARGES - Narrative (Details) $ in Thousands, ft² in Millions	3 Months Ended	20 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($) ft² position wood_mill	Sep. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Assets held for sale	$ 15,010		$ 0
Restructuring charges, pre-tax	12,400
Payments for restructuring	10,577
Non-cash charges	8,482
Global Sourcing Strategy Expansion | Consumer and Professional Products
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	3,918
Non-cash charges	8,482
Inventory write down	8,482
Global Sourcing Strategy Expansion | Consumer and Professional Products | Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, facility closing, area | ft²		1.2
Restructuring and related cost, facility closing, percentage		15.00%
Reduction of headcount | position		600
Affected number of wood mills | wood_mill		4
Global Sourcing Strategy Expansion | Consumer and Professional Products | Forecast | Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax		$ 120,000
Payments for restructuring		50,000
Non-cash charges		70,000
Global Sourcing Strategy Expansion | Consumer and Professional Products | Forecast | Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax		130,000
Payments for restructuring		55,000
Non-cash charges		75,000
Capital investments | Global Sourcing Strategy Expansion | Consumer and Professional Products | Forecast | Minimum
Restructuring Cost and Reserve [Line Items]
Payments to acquire productive assets		3,000
Capital investments | Global Sourcing Strategy Expansion | Consumer and Professional Products | Forecast | Maximum
Restructuring Cost and Reserve [Line Items]
Payments to acquire productive assets		$ 5,000
Personnel related costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax	1,847
Payments for restructuring	7,215
Non-cash charges	0
Personnel related costs | Global Sourcing Strategy Expansion | Consumer and Professional Products
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	1,847
Facilities & Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges, pre-tax	2,071
Payments for restructuring	3,362
Non-cash charges	0
Facilities & Exit Costs | Global Sourcing Strategy Expansion | Consumer and Professional Products
Restructuring Cost and Reserve [Line Items]
Payments for restructuring	$ 2,071