Long Term Debt and Financing Arrangements (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long Term Debt

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

	Maturity	June 30, 2018		December 31, 2017
Senior notes at 3.625%	2022	$	298.1	$	297.9
Senior notes at 3.35%	2026	394.7		394.4
Senior notes at 3.15%	2027	295.1		294.8
Senior notes at 3.50%	2028	442.9		—
Term loan, net of current portion of $25 million	2023	466.8		—
TOTAL LONG-TERM DEBT (a)		$	1,897.6	$	987.1

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