Income Taxes Schedule of Deferred Tax Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The components of deferred tax assets and liabilities are listed below.

	December 31,
	2017			2016
Postretirement/post-employment benefits	$	19.5		$	23.1
Deferred compensation	91.7			192.4
Pension costs	27.6			36.6
Basis differences in fixed assets	(52.0		)	(80.2		)
Rent	27.5			41.7
Interest	45.8			58.9
Accruals and reserves	18.4			17.2
Allowance for doubtful accounts	10.2			13.3
Basis differences in intangible assets	(281.3		)	(405.0		)
Investments in equity securities	(3.3		)	(6.3		)
Tax loss/tax credit carry forwards	357.9			354.6
Prepaid expenses	(1.7		)	(2.9		)
Deferred revenue	(38.2		)	(32.0		)
Other	44.7			44.3
Total deferred tax assets, net	266.8			255.7
Valuation allowance	(243.3		)	(255.6		)
Net deferred tax assets	$	23.5		$	0.1