XML 71 R57.htm IDEA: XBRL DOCUMENT v3.19.3
Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Segment Reporting Information        
Operating profit $ 49,153 $ 45,353 $ 162,565 $ 169,261
Operating Segments | OEM Segment        
Segment Reporting Information        
Operating profit 38,347 36,905 131,434 144,436
Operating Segments | Aftermarket Segment        
Segment Reporting Information        
Operating profit $ 10,806 $ 8,448 $ 31,131 $ 24,825