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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]

Summary Of Components Of Provision For Income Taxes From Continuing Operations

The following table summarizes components of our provision for income taxes from continuing operations for each of the years in the three-year period ended December 31, 2016 (in millions):

	2016				2015				2014
Current income tax (benefit) expense:
U.S.	$	(6.6	)		$	18.7			$	114.8
Non-U.S.	86.4				125.4				149.2
	79.8				144.1				264.0
Deferred income tax expense (benefit):
U.S.	15.9				(180.4		)		(86.7		)
Non-U.S.	12.8				22.4				(36.8		)
	28.7				(158.0		)		(123.5		)
Total income tax expense (benefit)	$	108.5			$	(13.9	)		$	140.5

Summary Of Significant Components Of Deferred Income Tax Assets (Liabilities)

The following table summarizes significant components of deferred income tax assets (liabilities) as of December 31, 2016 and 2015 (in millions):

		2016				2015
Deferred tax assets:
Net operating loss carryforwards		$	197.9			$	228.7
Foreign tax credits		91.7				84.1
Premiums on long-term debt		57.4				86.0
Deferred revenue		55.7				77.7
Employee benefits, including share-based compensation		30.6				40.5
Other		32.5				20.5
Total deferred tax assets		465.8				537.5
Valuation allowance		(238.8		)		(266.4		)
Net deferred tax assets		227.0				271.1
Deferred tax liabilities:
Property and equipment		(103.3		)		(97.1		)
Intercompany transfers of property		(18.9		)		(21.2		)
Deferred costs		(11.4		)		(15.3		)
Other		(23.6		)		(25.8		)
Total deferred tax liabilities		(157.2		)		(159.4		)
Net deferred tax asset		$	69.8			$	111.7

Summary Of Effective Income Tax Rate On Continuing Operations

Our consolidated effective income tax rate on continuing operations for each of the years in the three-year period ended December 31, 2016, differs from the U.K. statutory income tax rate as follows:

	2016			2015			2014
U.K. statutory income tax rate	20.0	%		20.2	%		21.5	%
Non-U.K. taxes	(7.9	)		(12.3	)		(1.3	)
Debt repurchases	(4.1	)		—			—
Goodwill and asset impairments	—			(4.0	)		(25.3	)
Valuation allowance	2.6			(1.5	)		(1.1	)
Other	.3			(1.5	)		.7
Effective income tax rate	10.9	%		.9	%		(5.5	)%

Summary Of Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended December 31, 2016 and 2015 is as follows (in millions):

		2016				2015
Balance, beginning of year		$	140.6			$	134.4
Settlements with taxing authorities		(27.6		)		(.6		)
Decreases in unrecognized tax benefits as a result       of tax positions taken during prior years		(.5		)		(2.1		)
Lapse of applicable statutes of limitations		(.2		)		(5.6		)
Increases in unrecognized tax benefits as a result       of tax positions taken during prior years		4.9				15.7
Increases in unrecognized tax benefits as a result       of tax positions taken during the current year		7.6				6.6
Impact of foreign currency exchange rates		(2.8		)		(7.8		)
Balance, end of year		$	122.0			$	140.6

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- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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-SubTopic 10
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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

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-Publisher FASB
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Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.

+ References

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-Publisher FASB
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