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RESTRUCTURING AND OTHER CHARGES (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 31, 2020	Dec. 31, 2019
Restructuring charges
Restructuring cost expected			$ 18.2
Restructuring charges	$ 8.2
Restructuring reserve	4.9
Assets held for sale	11.1			$ 0.0
Operating Expense
Restructuring charges
Restructuring charges	7.6
Cost of Sales
Restructuring charges
Restructuring charges	0.6
Office Segment
Restructuring charges
Restructuring charges	7.5	$ 0.1
Lifestyle Segment
Restructuring charges
Restructuring charges	0.7
Severance and Retention
Restructuring charges
Restructuring cost expected			7.0
Moving and Training Costs
Restructuring charges
Restructuring cost expected			6.0
Facilities-Related Costs
Restructuring charges
Restructuring cost expected			3.7
Equipment Write-offs
Restructuring charges
Restructuring cost expected			$ 1.5
Accelerated Depreciation, Equipment \| Cost of Sales
Restructuring charges
Restructuring charges	$ 0.6