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Revenue From Contracts With Customers (Disaggregation of Revenue, By Timing) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Timing of Revenue Recognition        
Total $ 349,006 $ 379,150 $ 1,096,008 $ 1,096,393
Goods and services transferred at a point in time        
Timing of Revenue Recognition        
Total 337,648 364,677 1,056,318 1,054,554
Goods and services transferred over time        
Timing of Revenue Recognition        
Total $ 11,358 $ 14,473 $ 39,690 $ 41,839