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Pension and Postretirement Benefits
3 Months Ended
Apr. 02, 2017
Pension and Postretirement Benefits (Thousands of Dollars) [Abstract]  
Pension and Postretirement Benefits

(7) Pension and Postretirement Benefits

The components of the net periodic cost of the Company's defined benefit pension and other postretirement plans for the quarters ended April 2, 2017 and March 27, 2016 are as follows:

Quarter Ended
PensionPostretirement
April 2,March 27,April 2,March 27,
2017201620172016
Service cost$952998172132
Interest cost4,7254,606295294
Expected return on assets(6,281)(5,507)--
Net amortization and deferrals2,6942,132--
Net periodic benefit cost$2,0902,229467426

During the three months ended April 2, 2017, the Company made cash contributions to its defined benefit pension plans of approximately $700 in the aggregate. The Company expects to contribute approximately $27,900 during the remainder of fiscal 2017.