Long Term Debt and Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long Term Debt

Long-term debt consists of the following (in millions):

	Maturity	March 31, 2018		December 31, 2017
Senior notes at 3.625%	2022	$	298.0	$	297.9
Senior notes at 3.35%	2026	394.6		394.4
Senior notes at 3.15%	2027	294.9		294.8
Senior notes at 3.50%	2028	442.8		—
Term loan, net of current portion of $25 million	2023	472.9		—
TOTAL LONG-TERM DEBT (a)		$	1,903.2	$	987.1

^(a) Long-term debt is presented net of debt issuance costs and unamortized discounts.