Indebtedness (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of Indebtedness

	As of December 31,
(In millions)	2015		2014
Current portion:
Notes payable to Fumedica	$	3.1	$	3.1
Financing arrangement for the purchase of the RTP facility	1.7		—
Current portion of notes payable and other financing arrangements	$	4.8	$	3.1
Non-current portion:
2008 Senior Notes
6.875% Senior Notes due March 1, 2018	$	565.3	$	571.7
2015 Senior Notes
2.900% Senior Notes due September 15, 2020	1,485.5		—
3.625% Senior Notes due September 15, 2022	992.2		—
4.050% Senior Notes due September 15, 2025	1,733.4		—
5.200% Senior Notes due September 15, 2045	1,721.1		—
Notes payable to Fumedica	5.9		8.6
Financing arrangement for the purchase of the RTP facility	18.1		—
Non-current portion of notes payable and other financing arrangements	$	6,521.5	$	580.3

Total debt maturities

(In millions)	As of December 31, 2015
2016	$	3.2
2017	3.2
2018	553.2
2019	—
2020	1,500.0
2021 and thereafter	4,500.0
Total	$	6,559.6