Debt (Tables)

12 Months Ended

Dec. 31, 2016

Debt Disclosure [Abstract]

Debt and Average Interest Rates on Debt Outstanding

Debt and the average interest rates on debt outstanding were as follows:

In millions	Average interest rate at	Maturity year	December 31
	December 31, 2016		2016			2015
Commercial paper	1.754%	2019	$	398.7		$	179.5
Revolving credit facilities	2.192%	2019	576.8			1,181.4
Senior notes - fixed rate	1.875%	2017	350.0			350.0
Senior notes - fixed rate	2.900%	2018	500.0			500.0
Senior notes - fixed rate	2.650%	2019	250.0			250.0
Senior notes - fixed rate - Euro	2.450%	2019	520.7			548.4
Senior notes - fixed rate	3.625%	2020	400.0			400.0
Senior notes - fixed rate	5.000%	2021	500.0			500.0
Senior notes - fixed rate	3.150%	2022	550.0			550.0
Senior notes - fixed rate	4.650%	2025	250.0			250.0
Other	N/A	N/A	0.8			—
Unamortized debt issuance costs and discounts	N/A	N/A	(17.8		)	(23.5		)
Total debt			4,279.2			4,685.8
Less: Current maturities and short-term borrowings			(0.8		)	—
Long-term debt			$	4,278.4		$	4,685.8

Debt Outstanding Matures on Calendar Year Basis

Debt outstanding, excluding unamortized issuance costs and discounts, at December 31, 2016 matures on a calendar year basis as follows:

In millions	2017		2018		2019		2020		2021		Thereafter		Total
Contractual debt obligation maturities	$	0.8	$	500.0	$	2,096.2	$	400.0	$	500.0	$	800.0	$	4,297.0