2017 | 2016 | |||||||||||||||
Pensions and seniority premiums | Termination of employment | Pensions and seniority premiums | Termination of employment | |||||||||||||
Current service cost | $ | 5,460 | $ | 1,868 | $ | (29,914 | ) | $ | (1,717 | ) | ||||||
Interest cost | 12,015 | 1,941 | 15,072 | 1,795 | ||||||||||||
Net cost for the period | $ | 17,475 | $ | 3,809 | $ | (14,842 | ) | $ | 78 |