Pension benefits | Other postretirement benefits | ||||||||||||||
2013 | 2012 | 2013 | 2012 | ||||||||||||
(in millions) | |||||||||||||||
Change in benefit obligation | |||||||||||||||
Benefit obligation at January 1, | $ | 129.7 | $ | 104.1 | $ | 6.7 | $ | 5.9 | |||||||
Service cost | 3.3 | 4.0 | 0.1 | 0.1 | |||||||||||
Interest cost | 4.8 | 5.1 | 0.3 | 0.3 | |||||||||||
Change in plan assumptions | — | 8.4 | — | — | |||||||||||
Benefit payments | (5.5 | ) | (2.7 | ) | (0.1 | ) | — | ||||||||
Actuarial loss (gain) | (14.3 | ) | 10.8 | (1.1 | ) | 0.4 | |||||||||
Benefit obligation at December 31, | $ | 118.0 | $ | 129.7 | $ | 5.9 | $ | 6.7 | |||||||
Change in plan assets | |||||||||||||||
Fair value of plan assets at January 1, | $ | 55.3 | $ | 44.2 | $ | — | $ | — | |||||||
Actual gain on plan assets | 10.4 | 6.9 | — | — | |||||||||||
Company contributions to the plan | 11.5 | 6.9 | 0.1 | — | |||||||||||
Benefit payments | (5.5 | ) | (2.7 | ) | (0.1 | ) | — | ||||||||
Fair value of plan assets at December 31, | 71.7 | 55.3 | — | — | |||||||||||
Underfunded status (current and long-term) | $ | (46.3 | ) | $ | (74.4 | ) | $ | (5.9 | ) | $ | (6.7 | ) | |||
Amounts recognized in balance sheets | |||||||||||||||
Accounts payable and accrued expenses | $ | (5.5 | ) | $ | (3.2 | ) | $ | (0.2 | ) | $ | (0.2 | ) | |||
Other long-term liabilities | (40.8 | ) | (71.2 | ) | (5.7 | ) | (6.5 | ) | |||||||
Total amount recognized in balance sheet | $ | (46.3 | ) | $ | (74.4 | ) | $ | (5.9 | ) | $ | (6.7 | ) | |||
Amounts recognized in AOCI | |||||||||||||||
Net actuarial loss | $ | 9.5 | $ | 32.6 | $ | 0.2 | $ | 1.3 | |||||||
Prior service cost | 30.1 | 35.1 | 3.0 | 3.4 | |||||||||||
Total amount recognized in AOCI | $ | 39.6 | $ | 67.7 | $ | 3.2 | $ | 4.7 | |||||||