INCOME TAXES - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets:
Accrued expenses and reserves	$ 35.8	$ 13.8
Warranty reserve	46.6	25.9
Deferred compensation/employee benefits	32.3	9.8
Right-of-use asset	63.1
Pension and postretirement obligations	28.1	19.5
Inventory	25.8	16.8
Net operating loss carry forwards	95.6	85.1
Other	18.8	19.2
Gross deferred income tax assets	346.1	190.1
Valuation allowance	58.0	41.7
Total deferred income tax assets	288.1	148.4
Deferred income tax liabilities:
Property, plant & equipment	42.7	35.5
Right-of-use liability	63.1
Intangibles	235.6	287.4
Total deferred income tax liabilities	341.4	322.9
Total deferred income tax liabilities	$ (53.3)	$ (174.5)