Business Combinations and Other Strategic Investments (Details) - Consideration Paid for Acquisition and the Fair Value of the Acquired Assets and Assumed Liabilities $ in Thousands, SFr in Millions			12 Months Ended
	Jan. 02, 2015 USD ($)	Jul. 22, 2014 CHF (SFr)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Bargain purchase gain			$ 0	$ (849)	$ 0
Akorn AG, formerly Excelvision [Member]
Business Acquisition [Line Items]
Amount of cash paid	$ 25,900
Outstanding amount payable to Fareva	2,500
Consideration paid	28,400	SFr 21.7
Cash and cash equivalents	1,200
Accounts receivable	3,400
Inventory	4,200
Other current assets	900
Property and equipment	26,600
Total assets acquired	36,300
Assumed current liabilities	(1,700)
Assumed non-current liabilities	(3,900)
Deferred tax liabilities	(1,400)
Total liabilities assumed	(7,000)
Bargain purchase gain	(900)
Fair value of assets acquired	$ 28,400