Business Combinations, Dispositions and Other Strategic Investments - Consideration Paid for Xopenex adn the Fair Value of the Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Thousands		3 Months Ended											6 Months Ended			9 Months Ended			12 Months Ended
	Oct. 01, 2014	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Mar. 31, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Business Combination, Acquisition Related Costs		$ 129	$ 230	$ 225	$ 1,257	$ 3,287	$ 8,159	$ 20,940	$ 454	$ 934	$ 1,459	$ 519	$ 1,482	$ 21,394	$ 519	$ 1,712	$ 29,553	$ 1,978	$ 1,841	$ 32,840	$ 2,912
Xopenex Acquisition [Member]
Business Acquisition [Line Items]
Amount of cash paid	$ 41,500
Product returns and reserves assumed	3,500
Total consideration at closing	45,000
Account Receivable, net (product returns and reserve assumed)	(3,500)
Inventory	6,300
Product licensing rights	38,700
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net, Total	$ 41,500
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Business Combination, Acquisition Related Costs																			$ 100	$ 700