Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Details Of Long-Term Debt, Weighted Average Interest Rates And Due Dates

Long-term debt, weighted average interest rates and due dates at December 31 are as follows:

	2015					2014
	Stated Interest Rate		Due Date Through	Balance		Stated Interest Rate		Due Date Through	Balance
Term notes	3.8	%	2024	$	748.3	4.7	%	2024	$	948.0
Industrial development bonds, principally variable interest rates	.3	%	2030	14.8		.2	%	2030	14.7
Commercial paper	.5	%	2019	181.5		.2	%	2019	—
Capitalized leases (primarily machinery, vehicle and office equipment)				4.2					5.2
Other, partially secured				—					.5
				948.8					968.4
Less current maturities				3.4					201.7
				$	945.4				$	766.7

Maturities Of Long-Term Debt

Maturities of long-term debt are as follows:

Year ended December 31
2016	$	3.4
2017	3.1
2018	153.2
2019	182.4
2020	—
Thereafter	606.7
	$	948.8

Amounts Outstanding Related To Commercial Paper Program

Amounts outstanding at December 31 related to our commercial paper program were:

	2015			2014
Total program authorized	$	600.0		$	600.0
Commercial paper outstanding (classified as long-term debt)	(181.5		)	—
Letters of credit issued under the credit agreement	—			—
Total program usage	(181.5		)	—
Total program available	$	418.5		$	600.0