XML 63 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1
Goodwill and Other Intangible Assets, Amortization (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Goodwill and Other Intangible Assets        
Amortization expense $ 11.6 $ 12.3 $ 35.4 $ 36.4
Amortization expense estimated for each of the next five fiscal years        
Remainder of 2018 11.5   11.5  
2019 42.7   42.7  
2020 37.1   37.1  
2021 32.4   32.4  
2022 24.9   24.9  
2023 $ 22.2   $ 22.2