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Asset Retirement Obligations
 12 Months Ended
Dec. 31, 2021
Asset Retirement Obligation [Abstract]  
Asset Retirement Obligations ASSET RETIREMENT OBLIGATIONS
The Company has asset retirement obligations (“AROs”) related to environmental disposal obligations associated with cylinders used to supply customers with gas products, and certain restoration obligations associated with certain of its leased facilities.
Changes in the carrying amounts of the Company’s AROs for the years ended December 31, 2021 and 2020 are shown below:
(In thousands)
20212020
Balance at beginning of year$14,500 $13,940 
Liabilities settled(78)— 
Liabilities incurred3,274 218 
Accretion expense166 216 
Revision of estimate(368)126 
Balance at end of year$17,494 $14,500 
ARO liabilities expected to be settled within twelve months are included in the consolidated balance sheets in other accrued liabilities, while all other ARO liabilities are included in pension benefit obligations and other liabilities in the consolidated balance sheets.