Property And Equipment, Net (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Property and Equipment [Line Items]
Depreciation and amortization			$ 103,111	$ 65,767
Continuing Operations [Member]
Property and Equipment [Line Items]
Depreciation and amortization	37,756	22,645	103,111	65,125
Property and Equipment [Member] \| Continuing Operations [Member]
Property and Equipment [Line Items]
Depreciation and amortization	$ 32,000	$ 19,800	$ 87,900	$ 56,600

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration