Indebtedness (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Summary of Indebtedness

Our indebtedness is summarized as follows:

	As of December 31,
(In millions)	2017		2016
Current portion:
Notes payable to Fumedica	$	3.2	$	3.0
Financing arrangement for the purchase of the RTP facility	—		1.7
Current portion of notes payable and other financing arrangements	$	3.2	$	4.7
Non-current portion:
6.875% Senior Notes due March 1, 2018	$	—	$	558.5
2.900% Senior Notes due September 15, 2020	1,482.4		1,485.3
3.625% Senior Notes due September 15, 2022	994.3		993.2
4.050% Senior Notes due September 15, 2025	1,736.3		1,734.8
5.200% Senior Notes due September 15, 2045	1,722.0		1,721.5
Notes payable to Fumedica	—		3.0
Financing arrangement for the purchase of the RTP facility	—		16.4
Non-current portion of notes payable and other financing arrangements	$	5,935.0	$	6,512.7

Total debt maturities

The total gross payments, excluding our financing arrangement, due under our debt arrangements are as follows:

(In millions)	As of December 31, 2017
2018	$	3.2
2019	—
2020	1,500.0
2021	—
2022	1,000.0
2023 and thereafter	3,500.0
Total	$	6,003.2