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Other Non-Current Liabilities
 12 Months Ended
Dec. 31, 2022
Other Liabilities Disclosure [Abstract]  
Other Non-Current Liabilities

15. Other Non-Current Liabilities

The composition of other non-current liabilities was as follows:

 

 

 

December 31

 

(In thousands)

 

2022

 

 

2021

 

Deferred revenue

 

$

8,762

 

 

$

9,979

 

Environmental and legal matters

 

 

16,276

 

 

 

17,663

 

Deferred compensation liability

 

 

32,459

 

 

 

50,122

 

Pension liability

 

 

5,241

 

 

 

4,552

 

Other non-current liabilities

 

 

17,953

 

 

 

16,606

 

Total other non-current liabilities

 

$

80,691

 

 

$

98,922