|
Nine Months Ended
September 30,
|
Years Ended December 31,
|
|||||||||||||||||||||||
|
2017
|
2016
|
2015
|
2014
|
2013
|
2012
|
|||||||||||||||||||
|
Ratio of Earnings to Fixed Charges
|
||||||||||||||||||||||||
|
Earnings:
|
||||||||||||||||||||||||
|
Earnings before fixed charges
|
$
|
130,714
|
$
|
222,944
|
$
|
357,859
|
$
|
450,765
|
$
|
405,092
|
$
|
339,219
|
||||||||||||
|
Add: fixed charges
|
28,149
|
38,162
|
39,127
|
40,831
|
46,577
|
42,143
|
||||||||||||||||||
|
$
|
158,863
|
$
|
261,106
|
$
|
396,986
|
$
|
491,596
|
$
|
451,669
|
$
|
381,362
|
|||||||||||||
|
Fixed Charges:
|
||||||||||||||||||||||||
|
Interest expensed and capitalized
|
$
|
15,046
|
$
|
19,863
|
$
|
20,387
|
$
|
19,738
|
$
|
25,259
|
$
|
21,825
|
||||||||||||
|
Amortized premiums, discounts and capitalized expenses related to indebtedness
|
786
|
801
|
1,377
|
2,362
|
2,613
|
2,560
|
||||||||||||||||||
|
An estimate of the interest within rental expense
|
12,317
|
17,498
|
17,363
|
18,731
|
18,705
|
17,758
|
||||||||||||||||||
|
Total fixed charges
|
$
|
28,149
|
$
|
38,162
|
$
|
39,127
|
$
|
40,831
|
$
|
46,577
|
$
|
42,143
|
||||||||||||
|
Ratio of earnings to fixed charges
|
5.64
|
6.84
|
10.15
|
12.04
|
9.70
|
9.05
|
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