Years Ended December 31, | ||||||||||||||||||||
2011 | 2012 | 2013 | 2014 | 2015 | ||||||||||||||||
EARNINGS | ||||||||||||||||||||
Income Before Income Taxes | $ | 252.6 | $ | 423.0 | $ | 326.1 | $ | 370.3 | $ | 534.9 | ||||||||||
Fixed Charges (as below) | 217.3 | 210.4 | 201.7 | 220.5 | 205.5 | |||||||||||||||
Total Earnings | $ | 469.9 | $ | 633.4 | $ | 527.8 | $ | 590.8 | $ | 740.4 | ||||||||||
FIXED CHARGES | ||||||||||||||||||||
Interest Expense | $ | 204.6 | $ | 202.1 | $ | 193.0 | $ | 209.6 | $ | 192.3 | ||||||||||
Credit for Allowance for Borrowed Funds Used During Construction | 6.3 | 1.3 | 1.5 | 3.8 | 6.9 | |||||||||||||||
Estimated Interest Element in Lease Rentals | 6.4 | 7.0 | 7.2 | 7.1 | 6.3 | |||||||||||||||
Total Fixed Charges | $ | 217.3 | $ | 210.4 | $ | 201.7 | $ | 220.5 | $ | 205.5 | ||||||||||
Ratio of Earnings to Fixed Charges | 2.16 | 3.01 | 2.61 | 2.67 | 3.60 |