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Defined Contribution, Bonus, and Profit Sharing (Tables)
 12 Months Ended
Dec. 31, 2020
Defined Contribution, Bonus, and Profit Sharing [Abstract]  
Schedule of Costs of Retirement Plans The expense for our defined contribution plans was as follows:
Year Ended December 31,
In thousands202020192018
Defined contribution plans expense$18,424 $17,882 $11,593 
Schedule of Bonus and Profit Sharing Expenses Bonus and profit sharing plans and award expense was as follows:
Year Ended December 31,
In thousands202020192018
Bonus and profit sharing plans expense$11,455 $48,435 $15,466