ACCRUED LIABILITIES - COMPONENTS (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Payables And Accruals [Abstract]
Accrued salaries, vacation and related benefits	$ 50.3	$ 75.0
Accrued product warranties	110.5	99.8	$ 75.4	$ 67.0
Accrued interest	13.5	15.4
Income taxes payable	52.0	23.0
Deferred revenue	130.3	128.2
Other accrued liabilities	183.9	180.3
Accrued liabilities, current, Total	540.5	521.7
Billings in excess of costs and estimated earnings included in deferred revenue	$ 37.6	$ 36.8