OTHER CONSOLIDATED FINANCIAL STATEMENT DETAILS - Schedule of Accounts Payable and Accrued Liabilities and Long Term Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Accounts payable and accrued liabilities
Accounts payable	$ 162.5	$ 180.4
Employee compensation and withholdings	244.8	295.8
Taxes payable (Note 12)	42.3	52.9
Property, payroll, and other taxes	45.5	51.4
Research and development accruals	53.7	51.4
Accrued rebates	59.8	67.1
Fair value of derivatives	21.4	6.4
Accrued marketing expenses	15.1	17.5
Litigation settlement (Note 3)	25.0	0.0
Litigation and insurance reserves	21.3	20.0
Accrued relocation costs	19.7	17.4
Accrued professional services	6.4	10.1
Accrued realignment reserves	14.2	16.7
Other accrued liabilities	90.4	89.8
Total accounts payable and accrued liabilities	822.1	876.9
Other liabilities
Litigation settlement (Note 3)	244.2	0.0
Deferred compensation	97.8	88.7
Pension liabilities	47.2	41.6
Deferred tax liabilities	36.6	36.9
Payroll taxes	17.0	0.0
Other	41.2	36.1
Total other long-term liabilities	$ 484.0	$ 203.3