Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
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
Percentage of market value per share of common stock		$ 0.85
Compensation expense over purchase period	The fair value of the look-back provision plus the 15% discount
Discount rate recognized in compensation expense		15.00%
Advertising costs	$ 75.2	$ 106.3	$ 108.6
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
Distributor One
Property, Plant and Equipment
Percentage receivables of wholesale distributor accounted in consolidated receivables	26.50%	37.20%
Distributor Two
Property, Plant and Equipment
Percentage receivables of wholesale distributor accounted in consolidated receivables	19.00%	19.20%
Deferred Tax Asset
Property, Plant and Equipment
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 500.0
Retained Earnings
Property, Plant and Equipment
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 500.0