|3 Months Ended|
Mar. 31, 2021
|Retirement Benefits [Abstract]|
16. Benefit Plans:
The following information is provided for (1) the Company-sponsored defined benefit pension plans covering employees in the U.S. and certain employees at its foreign subsidiaries and (2) the Company-sponsored unfunded plans to provide certain health care benefits to retired employees in the U.S.
Components of net periodic expense (benefit) are as follows:
Defined Benefit Pension Plans
Other Postretirement Benefit Plans
The entire disclosure for retirement benefits.
Reference 1: http://www.xbrl.org/2003/role/exampleRef