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Pension Plans (Tables)
6 Months Ended
Jun. 30, 2024
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Pension Cost The components of net periodic pension cost for these defined benefit pension plans are as follows:
For the Three Months Ended June 30,For the Six Months Ended June 30,
2024202320242023
 (In thousands)
Service cost$3,356 $3,697 $6,840 $7,525 
Interest cost1,412 1,558 2,871 3,161 
Expected return on plan assets(1,369)(1,278)(2,787)(2,589)
Recognized actuarial gain(96)(105)(193)(203)
Net periodic pension cost$3,303 $3,872 $6,731 $7,894 
Schedule of Defined Contribution Expense The following table summarizes our defined contribution expense:
For the Three Months Ended June 30,For the Six Months Ended June 30,
 2024202320242023
 (In thousands)
Defined contribution expense$6,065 $6,253 $14,479 $15,049