Asbestos Litigation (Details 1) - USD ($) $ in Thousands |
Apr. 02, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Commitments and Contingencies Disclosure [Abstract] | ||
| Long-term asbestos insurance asset | $ 229,879 | $ 232,712 |
| Long-term asbestos insurance receivable | 27,868 | 31,815 |
| Accrued asbestos liability | 42,411 | 41,626 |
| Long-term asbestos liability | $ 248,669 | $ 253,144 |