Segment Information - Schedule of Adjusted EBITDA (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Total adjusted EBITDA	$ 420,042	$ 321,472	$ 1,220,983	$ 938,482
Depreciation, amortization and accretion expense	(215,370)	(133,268)	(631,242)	(384,068)
Stock-based compensation expense	(42,473)	(33,969)	(116,311)	(98,575)
Acquisition costs	(12,505)	(13,352)	(64,635)	(24,374)
Impairment charges	(7,698)	0	(7,698)	0
Gains on asset sales	27,945	0	33,187	0
Income from continuing operations	169,941	140,883	434,284	431,465
Americas
Segment Reporting Information [Line Items]
Total adjusted EBITDA	202,131	174,170	581,619	517,790
EMEA
Segment Reporting Information [Line Items]
Total adjusted EBITDA	121,468	81,403	366,412	236,967
Asia-Pacific
Segment Reporting Information [Line Items]
Total adjusted EBITDA	$ 96,443	$ 65,899	$ 272,952	$ 183,725

Adjusted earnings before interest, taxes, depreciation and amortization/accretion.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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The net result for the period of deducting operating expenses from operating revenues.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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