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Held for Sale and Discontinued Operations (Components of Income from Discontinued Operations before Taxes, Including the Interest Allocated to Discontinued Operations) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Income before taxes $ 0 $ 2,570
Discontinued Operations, Held-for-sale | Industrial Business Segment    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Net sales 0 20,391
Operating expenses 0 17,493
Gain on sale of business 0 328
Income before taxes $ 0 $ 2,570