Debt and Financing Arrangements (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of long term debt

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

	Maturity	June 30, 2021		December 31, 2020
Senior notes at 3.625%	2022	$	—	$	299.2
Senior notes at 3.35%	2026	396.8		396.5
Senior notes at 3.15%	2027	296.7		296.4
Senior notes at 3.50%	2028	445.1		444.8
Senior notes at 2.300%	2031	295.6		—
TOTAL LONG-TERM DEBT(a)		$	1,434.2	$	1,436.9

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