Income Taxes Schedule of Components of Provision for Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for income taxes is listed below.

	Years ended December 31,
	2017			2016			2015
U.S. federal income taxes (including foreign withholding taxes):
Current	$	154.1		$	54.3		$	117.8
Deferred	(32.2		)	36.6			46.9
	121.9			90.9			164.7
State and local income taxes:
Current	18.8			8.2			15.1
Deferred	20.4			(1.5		)	13.0
	39.2			6.7			28.1
Foreign income taxes:
Current	107.9			89.8			100.4
Deferred	12.9			10.6			(10.4		)
	120.8			100.4			90.0
Total	$	281.9		$	198.0		$	282.8