SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) supplier shares	Dec. 31, 2019 USD ($) supplier shares	Dec. 31, 2018 USD ($) supplier shares
Restricted Cash [Abstract]
Total outstanding letters of credit	$ 1.6
Property, Plant and Equipment [Abstract]
Disposals of property plant and equipment	10.5
Accumulated depreciation	10.5
Revenues [Abstract]
Accrued sales returns	1.9	$ 1.9
Advertising Costs
Advertising expense	60.3	69.8	$ 70.4
Net Income (Loss) Per Common Share
Income (loss) from continuing operations available to common stockholders, basic	63.3	49.7	49.8
Income (loss) from continuing operations available to common stockholders, diluted	63.3	49.7	49.5
Income (loss) from discontinued operations available to common stockholders, basic	1.3	(1.5)	174.4
Income (loss) from discontinued operations available to common stockholders, diluted	$ 1.3	$ (1.5)	$ 175.2
Weighted average shares outstanding for basic net income per share (shares) | shares	37.5	37.5	37.2
Stock options and restricted stock awards securities excluded from computation of earnings (loss) per share (in shares) | shares	0.5	0.4
Employee Benefit Plans
Minimum annual contribution per employee	1.00%
Aggregate expense in contribution plans	$ 1.4	$ 1.1	$ 1.2
Fair Value Measurements
Weighted average interest rate on short-term borrowings	4.40%	6.20%	5.70%
Significant Concentrations
Number of supplier | supplier	0	0	0
NATG
Advertising Costs
Advertising expense	$ 0.0	$ 0.0	$ 1.1
Furniture, Fixtures and Equipment | Minimum
Property, Plant and Equipment [Abstract]
Estimated useful lives	3 years
Furniture, Fixtures and Equipment | Maximum
Property, Plant and Equipment [Abstract]
Estimated useful lives	15 years
Internal-Use Software
Property, Plant and Equipment [Abstract]
Estimated useful lives	3 years
Stock Option
Net Income (Loss) Per Common Share
Shares included in the calculated of diluted earnings per share | shares	0.2	0.2	0.5
Restricted Stock
Net Income (Loss) Per Common Share
Shares included in the calculated of diluted earnings per share | shares			0.2