Summary of Short-Term Borrowings and Long-Term Debt (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Short-term borrowings
Commercial paper issuances	$ 375.0	$ 354.5
Various debt due to international banks	6.6	2.7
Total short-term borrowings	381.6	357.2
Long-term debt
Debt issuance costs, net	(7.3)	(8.1)
Fair value adjustment related to hedged fixed rate debt instrument	8.4	1.3
Net long-term debt	700.7	692.8
2.875% Senior notes due October 1, 2022
Long-term debt
Senior notes	400.0	400.0
Less: Discount	(0.3)	(0.3)
2.45% Senior notes due December 15, 2019
Long-term debt
Senior notes	300.0	300.0
Less: Discount	$ (0.1)	$ (0.1)

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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