New Accounting Standards New Accounting Standards (Details) $ in Thousands |
9 Months Ended |
---|---|
Sep. 30, 2018
USD ($)
| |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
Cumulative effect of accounting changes (Note 2) | $ 1,300 |
Accounting Standards Update 2016-15 | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
Cumulative effect of accounting changes (Note 2) | 9,600 |
Net Parent Investment in Apergy | |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
Cumulative effect of accounting changes (Note 2) | $ 1,315 |