Debt and Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Schedule of long term debt

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

	Maturity	March 31, 2022		December 31, 2021
Senior notes at 3.35%	2026	$	397.4	$	397.2
Senior notes at 3.15%	2027	297.1		297.0
Senior notes at 3.50%	2028	445.7		445.5
Senior notes at 2.300%	2031	295.9		295.8
TOTAL LONG-TERM DEBT(a)		$	1,436.1	$	1,435.5

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