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Accumulated Other Comprehensive Income (Loss) (Tables)
6 Months Ended
Jun. 30, 2018
Equity [Abstract]  
Accumulated other comprehensive income (loss)
The following table shows the change in components for accumulated other comprehensive loss (in millions):

 
 
 
 Foreign Currency Translation Gain (Loss)
 
Unrealized Gain (Loss) on Securities
 
Unrealized Loss on Derivative Instruments
 
Post-Retirement Benefit Plans
 
Total
Balance at December 31, 2017
$
(10.5
)
 
$

 
$
(15.5
)
 
$
(83.6
)
 
$
(109.6
)
Change in component
14.9

 

 
(11.5
)
 

 
3.4

Reclassification adjustments into earnings (1)

 

 
9.3

 
2.5

 
11.8

Income tax effect

 

 
0.7

 
(0.6
)
 
0.1

Reclassification adjustments into retained earnings (2)

 

 
(3.0
)
 
(16.4
)
 
(19.4
)
Balance at March 31, 2018
$
4.4

 
$

 
$
(20.0
)
 
$
(98.1
)
 
$
(113.7
)
Change in component
(50.4
)
 

 
18.0

 

 
(32.4
)
Reclassification adjustments into earnings (1)

 

 
(15.2
)
 
2.5

 
(12.7
)
Income tax effect

 

 
(0.6
)
 
(0.6
)
 
(1.2
)
Balance at June 30, 2018
$
(46.0
)
 
$

 
$
(17.8
)
 
$
(96.2
)
 
$
(160.0
)