XML 110 R89.htm IDEA: XBRL DOCUMENT v3.8.0.1
Capital Stock, Accumulated Other Comprehensive Loss and Equity - Changes in AOCI, Net of Tax (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Redeemable Noncontrolling Interest, Equity, Carrying Amount $ 153.4 $ 0.0  
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year 3,192.9 3,017.7 $ 3,029.3
Balance at end of year 4,292.6 3,192.9 3,017.7
Defined benefit plans      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (192.8) (194.6)  
Gains (losses) reclassified from accumulated other comprehensive loss 4.9 25.9 4.2
Other comprehensive income (loss) recognized during the period 3.9 (24.1) 20.4
Balance at end of year (184.0) (192.8) (194.6)
Comprehensive income (loss), tax      
Reclassification adjustments, tax expense (benefit) 1.5 12.1 1.4
Other comprehensive income (loss), tax expense (benefit) 0.0 (5.0) 6.9
Derivative instruments and hedging      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (45.1) (38.7)  
Gains (losses) reclassified from accumulated other comprehensive loss 6.4 57.9 23.7
Other comprehensive income (loss) recognized during the period 15.8 (64.3) (29.2)
Balance at end of year (22.9) (45.1) (38.7)
Comprehensive income (loss), tax      
Reclassification adjustments, tax expense (benefit) 3.1 28.8 14.9
Other comprehensive income (loss), tax expense (benefit) 12.8 (32.7) (18.4)
Foreign currency translation      
Accumulated Other Comprehensive Income (Loss) [Roll Forward]      
Balance at beginning of year (597.7) (496.8)  
Other comprehensive income (loss) recognized during the period 291.2 (100.9) (247.2)
Balance at end of year (306.5) (597.7) (496.8)
Comprehensive income (loss), tax      
Other comprehensive income (loss), tax expense (benefit) $ 0.0 $ (1.1) $ (6.0)