Indebtedness (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of debt

Total borrowings outstanding are summarized as follows (in millions):

			March 31, 2018			December 31, 2017
Term loans
	2018 Term loan due March 8, 2020(1)		$	417.9		$	—
	2014 Term loan due December 5, 2019(1)		—			420.0
	Total term loans		417.9			420.0
Notes and Bonds
	Coupon	Due
	5.000%	March 23, 2019(1)	147.9			144.0
	3.500%	March 15, 2021	280.4			280.4
	3.500%	December 15, 2021	309.6			309.6
	5.105%	July 19, 2023(1)	166.4			162.0
	4.000%	November 15, 2023	215.6			215.6
	3.900%	December 15, 2024	700.0			700.0
	4.375%	March 15, 2026	700.0			700.0
	5.300%	November 15, 2043	90.5			90.5
	4.900%	December 15, 2044	303.9			303.9
	Total notes and bonds		2,914.3			2,906.0
Other financing			5.3			11.7
Unamortized premium (discount), net			20.1			21.4
Deferred financing fees			(19.0		)	(17.9		)
Total borrowings outstanding			3,338.6			3,341.2
	Current indebtedness		(58.0		)	(70.4		)
Total long-term debt less current portion			$	3,280.6		$	3,270.8

⁽¹⁾  Debt denominated in euros subject to fluctuations in the euro-to-U.S. dollar exchange rate.