XML 88 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accumulated Other Comprehensive Income - Changes in Components of Accumulated Other Comprehensive Income, net of tax (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Balance at beginning of period $ 1,102.5 $ 1,055.3 $ 1,491.2
Other comprehensive (loss) income 18.8 (6.9) (24.1)
Balance at end of period 1,215.4 1,102.5 1,055.3
Unrealized Translation      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Balance at beginning of period (48.7) (40.4) (18.3)
Other comprehensive (loss) income 17.1 (8.3) (22.1)
Balance at end of period (31.6) (48.7) (40.4)
Cash Flow Hedges      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Balance at beginning of period (0.4) (1.2) (0.5)
Other comprehensive (loss) income 1.2 0.8 (0.7)
Balance at end of period 0.8 (0.4) (1.2)
Defined Benefit Pension Plans      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Balance at beginning of period (1.0) (1.6) (0.3)
Other comprehensive (loss) income 0.5 0.6 (1.3)
Balance at end of period (0.5) (1.0) (1.6)
Accumulated Other Comprehensive Income      
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]      
Balance at beginning of period (50.1) (43.2) (19.1)
Other comprehensive (loss) income 18.8 (6.9) (24.1)
Balance at end of period $ (31.3) $ (50.1) $ (43.2)