Pension | Other Post-Retirement Benefits | ||||||||||||
2013 | 2012 | 2013 | 2012 | ||||||||||
Change in projected benefit obligation: | |||||||||||||
Beginning balance | $ | 2,635.4 | $ | 2,424.5 | $ | 135.0 | $ | 131.1 | |||||
Service cost | 42.0 | 40.3 | 0.7 | 0.6 | |||||||||
Interest cost | 85.4 | 91.8 | 3.2 | 3.6 | |||||||||
Plan amendments | 0.2 | 0.4 | — | — | |||||||||
Actuarial loss (gain) | (56.3 | ) | 176.0 | (5.0 | ) | 6.6 | |||||||
Plan participant contributions | — | — | 1.0 | 1.0 | |||||||||
Benefit payments | (133.3 | ) | (131.6 | ) | (7.2 | ) | (7.3 | ) | |||||
Change in projected benefit obligation related to CSL | (39.5 | ) | 34.0 | 1.3 | (0.6 | ) | |||||||
Disposal of CSL | (510.5 | ) | — | (49.5 | ) | — | |||||||
Ending balance | $ | 2,023.4 | $ | 2,635.4 | $ | 79.5 | $ | 135.0 | |||||
Change in fair value of plan assets: | |||||||||||||
Beginning balance | $ | 1,845.7 | $ | 1,641.4 | $ | — | $ | — | |||||
Actual return on plan assets | 268.6 | 179.3 | — | — | |||||||||
Employer contributions | 50.1 | 104.1 | 6.2 | 6.3 | |||||||||
Plan participant contributions | — | — | 1.0 | 1.0 | |||||||||
Benefit payments | (133.3 | ) | (131.6 | ) | (7.2 | ) | (7.3 | ) | |||||
Change in fair value of plan assets related to CSL | 32.8 | 52.5 | — | — | |||||||||
Disposal of CSL | (419.7 | ) | — | — | — | ||||||||
Ending balance | $ | 1,644.2 | $ | 1,845.7 | $ | — | $ | — | |||||
Components of net amount recognized in financial position: | |||||||||||||
Other accrued liabilities (current liability) | $ | (1.1 | ) | $ | (2.3 | ) | $ | (6.2 | ) | $ | (7.9 | ) | |
Pension and postretirement benefit obligations (non-current liability) | (378.1 | ) | (787.4 | ) | (73.3 | ) | (127.1 | ) | |||||
Funded status | $ | (379.2 | ) | $ | (789.7 | ) | $ | (79.5 | ) | $ | (135.0 | ) | |