|3 Months Ended|
Mar. 31, 2017
|Compensation and Retirement Disclosure [Abstract]|
The components of net periodic benefit cost related to our benefit plans for the three months ended March 31, 2017 and 2016 consisted of the following:
Our estimated contributions to our pension plans during 2017 have not changed significantly from amounts previously disclosed in the notes to the consolidated financial statements for the year ended December 31, 2016. For the three months ended March 31, 2017, we made no contributions to our qualified pension plans. For the three months ended March 31, 2016, we contributed $1,181 to our qualified pension plans.
The entire disclosure for pension and other postretirement benefits.
Reference 1: http://www.xbrl.org/2003/role/presentationRef