Years Ended December 31, | ||||||||||||||||||||
2012 | 2013 | 2014 | 2015 | 2016 | ||||||||||||||||
EARNINGS | ||||||||||||||||||||
Income Before Income Taxes | $ | 157.8 | $ | 252.6 | $ | 235.3 | $ | 300.9 | $ | 307.4 | ||||||||||
Fixed Charges (as below) | 168.7 | 167.4 | 159.0 | 139.9 | 150.3 | |||||||||||||||
Total Earnings | $ | 326.5 | $ | 420.0 | $ | 394.3 | $ | 440.8 | $ | 457.7 | ||||||||||
FIXED CHARGES | ||||||||||||||||||||
Interest Expense | $ | 102.7 | $ | 97.7 | $ | 93.5 | $ | 90.2 | $ | 100.8 | ||||||||||
Credit for Allowance for Borrowed Funds Used During Construction | 4.7 | 9.8 | 8.0 | 5.0 | 7.2 | |||||||||||||||
Estimated Interest Element in Lease Rentals | 61.2 | 59.9 | 57.5 | 44.7 | 42.3 | |||||||||||||||
Total Fixed Charges | $ | 168.6 | $ | 167.4 | $ | 159.0 | $ | 139.9 | $ | 150.3 | ||||||||||
Ratio of Earnings to Fixed Charges | 1.93 | 2.50 | 2.47 | 3.15 | 3.04 |