Goodwill and Intangible Assets (Additional Information) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 959,689,000	$ 933,434,000
Erwinaze And Erwinase [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	458,700,000
Prialt [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	199,500,000
Women's Health Business [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net		$ 41,400,000