Segment Information - Reconciliation of Adjusted Pre-Tax Income Before NCI to Income Before Income Taxes (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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| Segment Reporting [Abstract] | ||||
| Adjusted Pre-Tax Income before NCI | $ 84,726 | $ 85,987 | $ 231,609 | $ 232,235 |
| Unrealized gain (loss) on fuel price derivatives | (3,251) | 16,213 | (27,552) | 14,140 |
| Net foreign currency gain (loss) | 6,525 | (7,560) | (12) | (5,289) |
| Amortization of acquired intangible assets | (11,601) | (11,798) | (35,776) | (28,415) |
| Stock-based compensation | (3,067) | (4,549) | (10,227) | (10,089) |
| Gain on divestiture | 45 | 0 | (8,514) | 0 |
| Gain on divestitures | 0 | 27,169 | 1,215 | 27,169 |
| Restructuring | (265) | (5,559) | (265) | (6,059) |
| Non-cash adjustments related to tax receivable agreement | 1,634 | (1,356) | 1,634 | (1,356) |
| Regulatory reserve | (2,250) | 0 | (2,250) | 0 |
| Income before income taxes | $ 72,496 | $ 98,547 | $ 149,862 | $ 222,336 |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate amount provided for estimated restructuring charges, remediation costs, and asset impairment loss during an accounting period. Generally, these items are either unusual or infrequent, but not both (in which case they would be extraordinary items). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Non-Cash Adjustments Related to Tax Receivable Agreement No definition available.
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| X | ||||||||||
- Definition Pre-tax adjusted net income No definition available.
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