Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Tables)

12 Months Ended

Dec. 31, 2015

Summary of Other Intangible Assets [Abstract]

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

A reconciliation of the effective income tax rate as reflected in our Consolidated Statements of Operations to the U.S. federal statutory income tax rate is listed below.

	Years ended December 31,
	2015			2014			2013
U.S. federal statutory income tax rate	35.0		%	35.0		%	35.0		%
Income tax provision at U.S. federal statutory rate	$	266.8		$	252.3		$	163.8
State and local income taxes, net of federal income tax benefit	18.3			21.4			6.5
Impact of foreign operations, including withholding taxes	16.1			1.7			30.5
Change in net valuation allowance 1	(20.6		)	(66.0		)	3.2
Worthless securities deduction	0.0			0.0			(22.2		)
Divestitures	11.9			0.0			0.0
Other	(9.7		)	7.1			(0.6		)
Provision for income taxes	$	282.8		$	216.5		$	181.2
Effective income tax rate on operations	37.1		%	30.0		%	38.7		%

1 Reflects changes in valuation allowance that impacted the effective income tax rate for each year presented.