Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The following table presents the effective tax rate on pretax income from continuing operations for the six months ended June 30, 2015 and 2014:

	Six Months Ended June 30
	2015		2014
Effective tax rate	24.3	%	23.9	%