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New accounting standards (Tables) | 9 Months Ended
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Sep. 30, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Schedule of New Accounting Pronouncements and Changes in Accounting Principles | The cumulative effect of the changes made to the Consolidated Balance Sheet were as follows:
| December 31, 2017 |  | Adjustments |  | January 1, 2018 |
| (In thousands)
Liabilities and Stockholders' Equity |  |  |
Current liabilities: |  |  |
Other accrued liabilities | $ | 186,010 |  | $ | 903 |  | $ | 186,913 |
Deferred credits and other liabilities: |  |  |
Deferred income taxes | 347,271 |  | (332 | ) | 346,939 |
Other | 1,179,140 |  | 399 |  | 1,179,539 |
Commitments and contingencies |  |  |
Stockholders' equity: |  |  |
Retained earnings | 1,040,748 |  | (970 | ) | 1,039,778 |

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