Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Long-Term Debt

December 31 (add 000)	2016			2015
6.6% Senior Notes, due 2018	$	299,483		$	299,113
7% Debentures, due 2025		124,090			124,002
6.25% Senior Notes, due 2037		227,975			227,917
4.25% Senior Notes, due 2024		395,252			394,690
Floating Rate Notes, due 2017, interest rate of 2.10% and 1.71% at December 31, 2016 and 2015, respectively		299,033			298,868
Term Loan Facility, interest rate of 1.86% at December 31, 2015		-			222,521
Revolving Facility, due 2021, interest rate of 1.86% at December 31, 2016		160,000			-
Trade Receivable Facility, interest rate of 1.34% at December 31, 2016		180,000		-
Other notes		356			1,663
Total		1,686,189			1,568,774
Less current maturities		(180,036	)		(18,713	)
Long-term debt	$	1,506,153		$	1,550,061

Schedule of Principal Amount, Effective Interest Rate and Maturity Date for Corporation's Senior Notes

	Principal Amount (add 000)		Effective Interest Rate		Maturity Date
6.6% Senior Notes	$	300,000		6.81%	April 15, 2018
7% Debentures	$	125,000		7.12%	December 1, 2025
6.25% Senior Notes	$	230,000		6.45%	May 1, 2037
4.25% Senior Notes	$	400,000		4.25%	July 2, 2024
Floating Rate Notes	$	300,000	Three-month LIBOR+1.10%		June 30, 2017

Schedule of Revolving Facility

Lender (add 000)	Revolving Facility Commitment
JPMorgan Chase Bank, N.A.	$	92,800
BB&T		92,800
Deutsche Bank AG New York Branch		92,800
SunTrust Bank		92,800
Wells Fargo Bank, N.A.		92,800
PNC Bank, National Association		62,000
Regions Bank		62,000
The Northern Trust Company		62,000
The Bank of Tokyo-Mitsubishi UFJ, Ltd.		30,000
Comerica Bank		20,000
Total	$	700,000

Schedule of Corporation's Long-Term Debt Maturities

The Corporation’s long-term debt maturities for the five years following December 31, 2016, and thereafter are:

(add 000)
2017	$	180,035
2018		299,534
2019		55
2020		60
2021		459,098
Thereafter		747,407
Total	$	1,686,189