Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Schedule of Income Tax Rate Reconciliation [Line Items]

Schedule of Effective Income Tax Rate from Continuing Operations [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Effective tax rate from continuing operations	5.3	%	8.5	%	(14.1	)%	(2.0	)%