ACCOUNTS AND OTHER RECEIVABLES - Components of Accounts and Other Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Current
Trade accounts receivable	$ 642.6	$ 571.8
Trade notes receivable	1.2	1.1
Total trade receivables	643.8	572.9
Other notes receivable	0.0	0.0
Taxes receivable, including income taxes	11.3	15.8
Other receivables	9.2	11.7
Subtotal other receivables	20.5	27.5
Total trade and other receivables	664.3	600.4
Allowance for doubtful accounts:
Trade accounts receivable	(22.0)	(8.4)
Trade notes receivable	0.0	(0.1)
Total trade receivables	(22.0)	(8.5)
Other notes receivable	0.0	0.0
Total allowance for doubtful accounts	(22.0)	(8.5)
Total receivables, net	642.3	591.9
Long-term
Trade accounts receivable	0.0	0.0
Trade notes receivable	0.4	0.6
Total trade receivables	0.4	0.6
Other notes receivable	23.0	23.4
Taxes receivable, including income taxes	0.0	0.0
Other receivables	0.0	0.0
Subtotal other receivables	23.0	23.4
Total trade and other receivables	23.4	24.0
Allowance for doubtful accounts:
Trade accounts receivable	0.0	0.0
Trade notes receivable	0.0	0.0
Total trade receivables	0.0	0.0
Other notes receivable	(23.0)	(15.0)
Total allowance for doubtful accounts	(23.0)	(15.0)
Total net receivables	0.4	9.0
Bedding Products
Current
Trade accounts receivable	25.0	26.0
Allowance for doubtful accounts:
Allowance for credit losses	25.0	16.0
Notes Receivable | Bedding Products
Allowance for doubtful accounts:
Allowance for credit losses	23.0	15.0
Trade Accounts Receivable | Bedding Products
Allowance for doubtful accounts:
Allowance for credit losses	$ 2.0	$ 1.0