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Affiliated Companies	6 Months Ended
Affiliated Companies	Jun. 30, 2016
Equity Method Investments and Joint Ventures [Abstract]
Affiliated Companies	Affiliated Companies During the second quarter of 2016, we made an $8.4 million cost-method investment in an intradermal drug delivery company. At June 30, 2016 and December 31, 2015, the aggregate carrying amount of investments in equity-method affiliates was $64.3 million and $56.3 million, respectively, and the aggregate carrying amount of cost-method investments was $13.4 million and $5.0 million, respectively. Please refer to Note 5, Affiliated Companies, to the consolidated financial statements in our 2015 Annual Report for additional details.