Long-term Debt (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Summary of Long-term Debt

The following table provides a summary of the Company's Notes and the fair values based on quoted market prices in less active markets as of June 30, 2017 and December 31, 2016:

						Level 2 Fair Value as of
	Principal Amount at Par		Issuance Date	Maturity	Interest Payment Dates	June 30, 2017		December 31, 2016
	(in millions)					(in millions)
3.625% Senior Notes (1)	$	1,484.7	May 2017	2027	May 15 and November 15	$	1,513	$	—
4.375% Senior Notes	1,000.0		October 2016	2026	May 15 and November 15	1,004		975
5.50% Senior Notes	700.0		February 2015	2022	April 15 and October 15	762		758
5.875% Senior Notes	800.0		February 2015	2025	April 15 and October 15	888		868
5.750% Senior Notes	400.0		February 2014	2024	March 1 and September 1	438		431
5.375% Senior Notes	500.0		February 2013	2021	February 1 and August 1	541		539
	$	4,884.7

(1) Debt is denominated in euro with a €1,300 million aggregate principal amount and is remeasured into U.S. dollars at each balance sheet date. Total proceeds were $1,420.5 million and remeasurement loss on long-term debt was $64.2 million for the three months ending June 30, 2017.