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Supplemental Cash Flow Information - Supplemental Cash Flow Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net cash provided from operating activities included: |  |  |  |
Income taxes refunded from taxing authorities |  | $ 7,521 | $ 1,024 | $ 102
Interest paid |  | (207,433) | (179,431) | (159,875)
Non-cash investing and financing activities included: |  |  |  |
Asset retirement costs capitalized, net | [1] | 28,826 | 20,245 | (24,064)
(Decrease) increase in accrued capital expenditures |  | $ (119,021) | $ 71,739 | $ 61,419
[1] | Includes cost incurred whether capitalized or expensed.

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