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Revenue Recognition (Disaggregation of revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | $ 924,301 | $ 995,709 | $ 2,742,826 | $ 2,871,517
Original Equipment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 479,423 | 508,111 | 1,393,598 | 1,416,236
Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 444,878 | 487,598 | 1,349,228 | 1,455,281
FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 669,535 | 682,798 | 1,978,215 | 1,965,523
FPD | Original Equipment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 280,951 | 256,664 | 805,150 | 706,092
FPD | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 388,584 | 426,134 | 1,173,065 | 1,259,431
FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 254,766 | 312,911 | 764,611 | 905,994
FCD | Original Equipment |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 198,472 | 251,447 | 588,448 | 710,144
FCD | Aftermarket |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 56,294 | 61,464 | 176,163 | 195,850
North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 341,717 | 413,464 | 1,108,674 | 1,199,013
North America | FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 245,282 | 279,583 | 782,403 | 797,092
North America | FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 96,435 | 133,881 | 326,271 | 401,921
Latin America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 53,411 | 59,020 | 154,923 | 158,290
Latin America | FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 47,346 | 51,338 | 136,443 | 134,716
Latin America | FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 6,065 | 7,682 | 18,480 | 23,574
Middle East And Africa |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 112,375 | 111,703 | 354,635 | 319,178
Middle East And Africa | FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 83,330 | 87,982 | 277,231 | 249,694
Middle East And Africa | FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 29,045 | 23,721 | 77,404 | 69,484
Asia Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 218,063 | 214,999 | 577,742 | 591,068
Asia Pacific | FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 151,227 | 129,047 | 391,796 | 367,204
Asia Pacific | FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 66,836 | 85,952 | 185,946 | 223,864
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 198,735 | 196,523 | 546,852 | 603,968
Europe | FPD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | 142,350 | 134,848 | 390,342 | 416,817
Europe | FCD |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Sales | $ 56,385 | $ 61,675 | $ 156,510 | $ 187,151

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