EX-12.1 4 a2233559zex-12_1.htm EX-12.1

Exhibit 12.1

RATIO OF EARNINGS TO FIXED CHARGES

		Nine Months Ended September 30,			Year Ended December 31,
(in millions, except for ratio)		2017			2016			2015			2014			2013			2012
Computation of earnings
Plus:
Earnings before income taxes from continuing operations		$	377.0		$	410.5		$	467.9		$	376.1		$	333.0		$	346.4
Fixed Charges		30.9			42.6			45.9			45.0			44.2			35.9
Amortization of capitalized interest		0.9			1.2			1.1			1.0			0.8			0.7
Less:
Interest capitalized		(0.9		)	(0.9		)	(1.0		)	(2.2		)	(1.7		)	(1.8		)
Earnings		$	407.9		$	453.4		$	513.9		419.9			$	376.3		$	381.2
Fixed Charges (1)		$	30.9		$	42.6		$	45.9		45.0			$	44.2		$	35.9
Ratio of earnings to fixed charges		13.2		x	10.6		x	11.2		x	9.3		x	8.5		x	10.6		x

(1) Fixed charges consist of interest expense (including interest capitalized and interest on uncertain tax positions) and the portion of rent expense that is representative of the interest factor, which is considered as one-third of total rent expense.