OTHER CONSOLIDATED FINANCIAL STATEMENT DETAILS (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounts receivable, net
Trade accounts receivable			$ 552.3	$ 465.8
Allowance for doubtful accounts			(8.7)	(8.9)
Total accounts receivable, net			543.6	456.9
Inventories
Raw materials			118.0	111.5
Work in process			121.7	144.8
Finished products			401.2	350.7
Total inventories			640.9	607.0
Property, plant, and equipment, net
Land			98.0	90.7
Buildings and leasehold improvements			619.8	497.4
Machinery and equipment			466.3	432.4
Equipment with customers			35.6	41.1
Software			87.9	92.4
Construction in progress			265.0	168.8
Total property, plant and equipment, gross			1,572.6	1,322.8
Accumulated depreciation			(512.3)	(455.3)
Total property, plant and equipment, net			1,060.3	867.5
Accrued and other liabilities
Employee compensation and withholdings			295.8	226.1
Litigation and insurance reserves (Note 18)			20.0	196.7
Taxes payable			52.9	31.3
Accrued rebates			67.1	80.0
Property, payroll, and other taxes			51.4	39.5
Research and development accruals			51.4	48.9
Fair value of derivatives			6.4	4.4
Accrued marketing expenses			17.5	22.3
Accrued professional services			10.1	11.0
Accrued realignment reserves			16.7	6.8
Accrued relocation costs			17.4	11.3
Other accrued liabilities			89.8	64.3
Total accrued and other liabilities			696.5	742.6
Inventory write off	$ 26.9	$ 46.2	73.1	0.0	$ 0.0
Cash paid during the year for:
Interest			19.9	30.1	19.9
Income taxes			61.5	223.7	143.7
Amounts included in the measurement of lease liabilities:
Operating Lease, Payments			28.6
Non-cash investing and financing transactions:
Fair value of shares issued in payment for contingent consideration liabilities (Note 11)			0.0	34.3	0.0
Fair value of shares issued in connection with business combinations (Note 8)			0.0	0.0	266.5
Right-of-use assets obtained in exchange for new lease liabilities			49.6
Capital expenditures accruals			50.8	18.7	21.6
Treasury Stock
Retirement of treasury stock					0.0
Treasury Stock
Treasury Stock
Retirement of treasury stock			$ 0.0	$ 0.0	$ 2,746.2