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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Income Tax Disclosure [Line Items] |  |
Unrepatriated foreign earnings | $ 3,700 |
Net increase from the reevaluation of uncertain tax positions arising in examinations | 100 |
Net decrease from the reevaluation of uncertain tax positions arising in examinations | $ 200 |
Estimated effective tax rate on continuing operations | 36.40% | 37.50%
Income Tax Expense Benefit Estimated Tax Rate | 36.40% | 37.50%
Non-U.S. earnings that have been targeted for future repatriation | $ 62,800 |
Canada [Member] |  |
Income Tax Disclosure [Line Items] |  |
Deferred tax assets | 3,400 |
Japan [Member] |  |
Income Tax Disclosure [Line Items] |  |
Deferred tax assets | $ 400 |
Earliest Tax Year [Member] |  |
Income Tax Disclosure [Line Items] |  |
Open tax years | 2007 |
Latest Tax Year [Member] |  |
Income Tax Disclosure [Line Items] |  |
Open tax years | 2016 |

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