Annual report pursuant to Section 13 and 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 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Segment Reporting Information [Line Items]                      
Revenues $ 749,994 $ 710,748 $ 751,195 $ 779,610 $ 700,918 $ 768,574 $ 744,404 $ 704,869 $ 2,991,547 $ 2,918,765 $ 2,852,609
Adjusted EBITDA [1]                 723,758 706,103 682,782
Capital expenditures                 380,862 326,908 331,726
Operating Segments | U.S. Operating Segment                      
Segment Reporting Information [Line Items]                      
Revenues                 2,236,237 2,230,693 2,137,733
Adjusted EBITDA [1]                 558,182 548,413 516,366
Capital expenditures                 321,040 242,271 223,213
Operating Segments | International Operating Segment                      
Segment Reporting Information [Line Items]                      
Revenues                 769,436 701,573 728,735
Adjusted EBITDA [1]                 165,576 157,690 166,416
Capital expenditures                 59,822 84,637 108,513
Eliminations                      
Segment Reporting Information [Line Items]                      
Revenues                 $ (14,126) $ (13,501) $ (13,859)
[1] Distributions from equity investees are reported entirely within the U.S. operating segment