Fair Value of Financial Instruments (Nonrecurring) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of discontinued operations	$ 4,267	$ 38,926
Property and equipment, net	368,614us-gaap_PropertyPlantAndEquipmentNet	197,542us-gaap_PropertyPlantAndEquipmentNet
Other intangible assets, net	278,270us-gaap_FiniteLivedIntangibleAssetsNet	175,808us-gaap_FiniteLivedIntangibleAssetsNet
Investment in affiliates, net	103,598us-gaap_EquityMethodInvestments	95,343us-gaap_EquityMethodInvestments
Goodwill	1,780,758us-gaap_Goodwill	1,468,290us-gaap_Goodwill	1,354,823us-gaap_Goodwill
Nonrecurring Basis [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of discontinued operations		19,961	0
Property and equipment, net	0	0	0
Other intangible assets, net		0
Investment in affiliates, net	0		0
Non-financial instruments	0	97,577	0
Total Losses, non-financial instruments	5,330	54,047	39,867
Goodwill	0	77,616
Nonrecurring Basis [Member] \| Assets of discontinued operations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses, non-financial instruments		9,614	18,741
Nonrecurring Basis [Member] \| Property and equipment, net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses, non-financial instruments	1,070	1,969	19,880
Nonrecurring Basis [Member] \| Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses, non-financial instruments	3,900	42,216
Nonrecurring Basis [Member] \| Other intangible assets, net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses, non-financial instruments		248
Nonrecurring Basis [Member] \| Investment in affiliates, net [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Losses, non-financial instruments	360		1,246
Nonrecurring Basis [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of discontinued operations		0	0
Property and equipment, net	0	0	0
Other intangible assets, net		0
Investment in affiliates, net	0		0
Non-financial instruments	0	0	0
Goodwill	0	0
Nonrecurring Basis [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of discontinued operations		0	0
Property and equipment, net	0	0	0
Other intangible assets, net		0
Investment in affiliates, net	0		0
Non-financial instruments	0	0	0
Goodwill	0	0
Nonrecurring Basis [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets of discontinued operations		19,961	0
Property and equipment, net	0	0	0
Other intangible assets, net		0
Investment in affiliates, net	0		0
Non-financial instruments	0	97,577	0
Goodwill	$ 0	$ 77,616

Fair Value, Nonrecurring Basis, Asset, Gain (Loss) Included in Earnings

No definition available.

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

No definition available.

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- Definition

The aggregate value (measured at the lower of net carrying value or fair value less cost of disposal) for current assets (assets with expected useful life shorter than one year or one operating cycle, whichever is longer) of a disposal group, including a component of the entity (discontinued operation), to be sold or that has subsequently been disposed of through sale, as of the financial statement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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