Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019	Jan. 01, 2018
Property, Plant and Equipment
Operating lease assets	$ 427.0	$ 0.0
Operating lease liabilities	$ 486.3
Business (Textual)
Interest in subsidiary (less than given percentage)	100.00%
Payment terms of accounts receivable arising from product sales	30 to 90 days
Estimated useful lives of leasehold improvements	Lesser of the useful life or the term of the respective lease
Purchase price of common stock under ESPP	85% of the lower of (i) the fair market value per share of the common stock on the first business day of an offering period and (ii) the fair market value per share of the common stock on the purchase date
Compensation expense over purchase period	The fair value of the look-back provision plus the 15% discount
Advertising costs	$ 79.2	90.2	$ 75.2
Minimum | Building
Property, Plant and Equipment
Property, plant and equipment, useful life	15 years
Minimum | Furniture and Fixtures
Property, Plant and Equipment
Property, plant and equipment, useful life	5 years
Minimum | Machinery and Equipment
Property, Plant and Equipment
Property, plant and equipment, useful life	5 years
Minimum | Computer Equipment
Property, Plant and Equipment
Property, plant and equipment, useful life	3 years
Maximum | Building
Property, Plant and Equipment
Property, plant and equipment, useful life	40 years
Maximum | Furniture and Fixtures
Property, Plant and Equipment
Property, plant and equipment, useful life	7 years
Maximum | Machinery and Equipment
Property, Plant and Equipment
Property, plant and equipment, useful life	20 years
Maximum | Computer Equipment
Property, Plant and Equipment
Property, plant and equipment, useful life	5 years
Accounting Standards Update 2016-16 | Deferred Income Tax Charge
Property, Plant and Equipment
Cumulative effect of new accounting principle in period of adoption					$ 500.0
Accounting Standards Update 2016-16 | Retained Earnings
Property, Plant and Equipment
Cumulative effect of new accounting principle in period of adoption					$ 500.0
Accounting Standards Update 2016-16 | Deferred tax liability
Property, Plant and Equipment
Cumulative effect of new accounting principle in period of adoption		$ 400.0
Accounting Standards Update 2016-02
Property, Plant and Equipment
Operating lease assets				$ 463.0
Operating lease liabilities				$ 526.0