v3.7.0.1
Segment and Geographical Data - Reconciliation of Segment EBITDA (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting [Abstract]      
Adjusted EBITDA $ 493.0 $ 538.2 $ 478.6
Interest expense, net (103.5) (107.5) (99.9)
Depreciation and amortization (221.3) (229.8) (210.8)
Loss on debt extinguishment   (0.4) (60.7)
Gain (loss) on foreign currency 14.6 20.2 15.7
Loss on fixed assets (5.3) (2.8) (2.1)
Debt transaction expenses   (1.7) (3.0)
Stock-based compensation (17.5) (27.7) (17.3)
Sponsor management fees     (5.1)
Non-recurring acquisition and purchase accounting items (8.2) (3.0) (23.0)
Non-recurring operational items (16.5) (11.6) (18.2)
Income before tax $ 135.3 $ 173.9 $ 54.2