REVENUE (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Net trade sales	$ 1,213.6	$ 1,322.3
Bedding Products | Bedding Group
Disaggregation of Revenue [Line Items]
Net trade sales	528.5	639.4
Specialized Products
Disaggregation of Revenue [Line Items]
Net trade sales	320.7	264.1
Specialized Products | Automotive Group
Disaggregation of Revenue [Line Items]
Net trade sales	214.3	207.5
Specialized Products | Aerospace Products Group
Disaggregation of Revenue [Line Items]
Net trade sales	37.9	29.0
Specialized Products | Hydraulic Cylinders Group
Disaggregation of Revenue [Line Items]
Net trade sales	68.5	27.6
Furniture, Flooring & Textile Products
Disaggregation of Revenue [Line Items]
Net trade sales	364.4	418.8
Furniture, Flooring & Textile Products | Home Furniture Group
Disaggregation of Revenue [Line Items]
Net trade sales	80.3	118.4
Furniture, Flooring & Textile Products | Work Furniture Group
Disaggregation of Revenue [Line Items]
Net trade sales	70.6	83.7
Furniture, Flooring & Textile Products | Flooring & Textile Products Group
Disaggregation of Revenue [Line Items]
Net trade sales	$ 213.5	$ 216.7