Quarterly report pursuant to Section 13 or 15(d)

Selected Financial Information by Reportable Operating Segment (Detail)

v3.8.0.1
Selected Financial Information by Reportable Operating Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information [Line Items]        
Revenues $ 710,748 $ 768,574 $ 2,241,553 $ 2,217,847
Adjusted EBITDA 153,672 184,891 536,231 537,933
Capital expenditures 79,930 98,823 262,730 230,346
Operating Segments | U.S. Operating Segment        
Segment Reporting Information [Line Items]        
Revenues 514,376 572,916 1,650,514 1,677,365
Adjusted EBITDA 108,854 137,540 402,902 409,018
Capital expenditures 65,612 75,839 221,604 175,218
Operating Segments | International Operating Segment        
Segment Reporting Information [Line Items]        
Revenues 200,122 199,476 602,116 551,212
Adjusted EBITDA 44,818 47,351 133,329 128,915
Capital expenditures 14,318 22,984 41,126 55,128
Eliminations        
Segment Reporting Information [Line Items]        
Revenues $ (3,750) $ (3,818) $ (11,077) $ (10,730)