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Other Information
 12 Months Ended
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]  
Other Information
(18) Other Information

The following tables present additional detail for other current assets and other current liabilities, which consists of the following (in millions):

Other current assets:December 31, 2020December 31, 2019
Natural gas and NGLs inventory$44.9 $43.4 
Prepaid expenses and other13.8 14.4 
Other current assets$58.7 $57.8 

Other current liabilities:December 31, 2020December 31, 2019
Accrued interest$35.7 $37.1 
Accrued wages and benefits, including taxes22.5 31.5 
Accrued ad valorem taxes26.5 28.5 
Capital expenditure accruals10.6 42.4 
Retainage liability1.0 8.7 
Short-term lease liability16.3 21.1 
Suspense producer payments10.6 13.8 
Operating expense accruals8.4 10.8 
Other17.5 12.3 
Other current liabilities$149.1 $206.2