| 2017 | 2016 | 2015 | ||||||||||
| Present value of funded obligations | (5,027.7 | ) | (4,592.1 | ) | (4,646.4 | ) | ||||||
| Fair value of plan assets | 4,006.2 | 3,845.2 | 3,781.4 | |||||||||
| Present value of net obligations | (1,021.5 | ) | (746.9 | ) | (865.0 | ) | ||||||
| Present value of unfunded obligations | (757.4 | ) | (741.3 | ) | (756.6 | ) | ||||||
| Present value of net obligations | (1,778.9 | ) | (1,488.2 | ) | (1,621.6 | ) | ||||||
| Asset ceiling | (368.4 | ) | (532.2 | ) | (534.5 | ) | ||||||
| Net liability | (2,147.3 | ) | (2,020.4 | ) | (2,156.1 | ) | ||||||
| Other long term employee benefits | (105.0 | ) | (83.8 | ) | (57.2 | ) | ||||||
| Total employee benefits | (2,252.3 | ) | (2,104.2 | ) | (2,213.3 | ) | ||||||
| Employee benefits amount in the balance sheet: | ||||||||||||
| Liabilities | (2,310.7 | ) | (2,137.7 | ) | (2,221.9 | ) | ||||||
| Assets | 58.4 | 33.5 | 8.6 | |||||||||
| Net liabilities | (2,252.3 | ) | (2,104.2 | ) | (2,213.3 | ) | ||||||