Pension Benefits | Other Benefits | |||||||||||||||
December 31, | 2013 | 2012 | 2013 | 2012 | ||||||||||||
In thousands of dollars | ||||||||||||||||
Change in benefit obligation | ||||||||||||||||
Projected benefits obligation at beginning of year | $ | 1,237,778 | $ | 1,156,756 | $ | 318,415 | $ | 318,536 | ||||||||
Service cost | 31,339 | 30,823 | 1,094 | 1,172 | ||||||||||||
Interest cost | 43,962 | 49,909 | 10,747 | 13,258 | ||||||||||||
Plan amendments | 55 | 2 | — | — | ||||||||||||
Actuarial (gain) loss | (100,872 | ) | 112,700 | (33,412 | ) | 7,916 | ||||||||||
Curtailment | (8,833 | ) | — | — | — | |||||||||||
Settlement | (319 | ) | (49,876 | ) | — | — | ||||||||||
Currency translation and other | (5,976 | ) | 1,903 | (1,030 | ) | 370 | ||||||||||
Benefits paid | (76,642 | ) | (64,439 | ) | (24,877 | ) | (22,837 | ) | ||||||||
Projected benefits obligation at end of year | 1,120,492 | 1,237,778 | 270,937 | 318,415 | ||||||||||||
Change in plan assets | ||||||||||||||||
Fair value of plan assets at beginning of year | 988,167 | 961,421 | — | — | ||||||||||||
Actual return on plan assets | 152,976 | 118,073 | — | — | ||||||||||||
Employer contribution | 32,336 | 21,371 | 24,877 | 22,837 | ||||||||||||
Settlement | (319 | ) | (49,876 | ) | — | — | ||||||||||
Currency translation and other | (4,533 | ) | 1,617 | — | — | |||||||||||
Benefits paid | (76,642 | ) | (64,439 | ) | (24,877 | ) | (22,837 | ) | ||||||||
Fair value of plan assets at end of year | 1,091,985 | 988,167 | — | — | ||||||||||||
Funded status at end of year | $ | (28,507 | ) | $ | (249,611 | ) | $ | (270,937 | ) | $ | (318,415 | ) | ||||