Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Disclosures [Abstract]

Carrying Amounts and Estimated Fair Values of Other Financial Instruments

The following table presents the carrying amounts and estimated fair values of the Company’s other financial instruments at December 31, 2015 and December 31, 2014:

		December 31, 2015				December 31, 2014
	Input	Carrying		Fair		Carrying			Fair
	Level	Amount		Value		Amount			Value
Financial Assets:
Cash equivalents	Level 1	$	89.3	$	89.3	$	298.0		$	298.0
Financial Liabilities:
Short-term borrowings	Level 2		357.2		357.2		146.7			146.7
2.875% Senior notes	Level 2		399.7		390.5		399.7			393.3
3.35% Senior notes	Level 2		0.0		0.0		249.9			255.6
2.45% Senior notes	Level 2		299.9		296.0		299.8			298.6
Fair value adjustment asset (liability) related to hedged fixed rate debt instrument	Level 2		1.3		1.3		(0.9	)		(0.9	)