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Selected Financial Information by Reportable Operating Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Revenues |  | $ 714,723 | $ 779,971
Adjusted EBITDA | [1] | 152,254 | 193,430
Capital expenditures |  | 57,569 | 80,163
U.S. Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | [2] | 554,816 | 596,343
International Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues |  | 159,907 | 183,628
Operating Segments | U.S. Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues |  | 557,798 | 599,645
Adjusted EBITDA |  | 125,759 | 155,844
Capital expenditures |  | 52,339 | 69,971
Operating Segments | International Operating Segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues |  | 159,907 | 183,628
Adjusted EBITDA |  | 26,495 | 37,586
Capital expenditures |  | 5,230 | 10,192
Eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues |  | $ (2,982) | $ (3,302)
[1] | Amounts for the three months ended March 31, 2019 were impacted by the adoption of ASC Topic 842 and the resulting change in the classification of certain of the Company’s leases
[2] | U.S. segment revenues include eliminations of intercompany transactions with the international operating segment. See Note 16 for additional information on intercompany eliminations.

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