Goodwill and Other Intangible Assets Estimated future amortization of other intangible assets (Tables)

12 Months Ended

Dec. 31, 2018

Summary of Other Intangible Assets [Abstract]

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The estimated annual amortization expense for other intangible assets for the next five years as of December 31, 2018 is listed below.

	2019		2020		2021		2022		2023
Estimated amortization expense	$	87.8	$	87.3	$	85.6	$	82.3	$	78.2