Debt and Credit Arrangements (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Summary of Carrying Amounts and Fair Values of Long-term Debt

A summary of the carrying amounts and fair values of our long-term debt is listed below.

	Effective Interest Rate	September 30, 2019				December 31, 2018
		Book Value		Fair Value 1		Book Value		Fair Value 1
3.50% Senior Notes due 2020 (less unamortized discount and issuance costs of $0.5 and $1.5, respectively)	3.89%	$	498.0	$	505.8	$	496.6	$	499.9
3.75% Senior Notes due 2021 (less unamortized discount and issuance costs of $0.3 and $2.1, respectively)	3.98%	497.6		513.2		496.8		503.2
4.00% Senior Notes due 2022 (less unamortized discount and issuance costs of $0.8 and $0.6, respectively)	4.13%	248.6		258.6		248.2		250.3
3.75% Senior Notes due 2023 (less unamortized discount and issuance costs of $0.5 and $1.4, respectively)	4.32%	498.1		523.6		497.7		491.4
4.20% Senior Notes due 2024 (less unamortized discount and issuance costs of $0.5 and $1.9, respectively)	4.24%	497.6		535.9		497.3		492.6
4.65% Senior Notes due 2028 (less unamortized discount and issuance costs of $1.6 and $4.0, respectively)	4.78%	494.4		561.4		494.0		494.1
5.40% Senior Notes due 2048 (less unamortized discount and issuance costs of $2.8 and $5.4, respectively)	5.48%	491.8		596.7		491.7		474.1
Term Loan due 2021 - LIBOR plus 1.25%		100.0		100.0		400.0		400.0
Other notes payable and capitalized leases		44.3		44.3		38.0		38.0
Total long-term debt		3,370.4				3,660.3
Less: current portion		3.3				0.1
Long-term debt, excluding current portion		$	3,367.1			$	3,660.2

1

See Note 14 for information on the fair value measurement of our long-term debt.