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Accumulated Other Comprehensive Loss (Tables)
 12 Months Ended
Dec. 31, 2017
Accumulated Other Comprehensive (Loss) Income  
Schedule of changes in Accumulated other comprehensive income (loss) by component The changes in accumulated other comprehensive loss by component, for the years ended December 31 follows:
(in millions)
 
Accrued
post-retirement benefit liability
 
Foreign currency translation
 
Other
 
Total
Balance as of January 1, 2015
 
$
(27.4
)
 
$
(60.0
)
 
$
0.3

 
$
(87.1
)
Other comprehensive (loss) income before reclassifications
 
(0.6
)
 
(36.7
)
 
0.6

 
(36.7
)
Amounts reclassified from accumulated other comprehensive loss (1)
 
2.3

 
—

 
(0.1
)
 
2.2

Income tax (expense) benefit
 
(0.7
)
 
—

 
0.1

 
(0.6
)
Other comprehensive income (loss)
 
1.0

 
(36.7
)
 
0.6

 
(35.1
)
Balance as of December 31, 2016
 
(26.4
)
 
(96.7
)
 
0.9

 
(122.2
)
Other comprehensive (loss) income before reclassifications
 
(11.2
)
 
46.6

 
(4.4
)
 
31.0

Amounts reclassified from accumulated other comprehensive loss (1)
 
2.5

 
—

 
(0.5
)
 
2.0

Income tax (expense) benefit
 
3.5

 
—

 
—

 
3.5

Other comprehensive income (loss)
 
(5.2
)
 
46.6

 
(4.9
)
 
36.5

Balance as of December 31, 2017
 
$
(31.6
)
 
$
(50.1
)
 
$
(4.0
)
 
$
(85.7
)
(1) 
The accrued post‑retirement benefit liability reclassification pertains to the amortization of unrecognized actuarial gains and losses and prior service credits which is included in net periodic benefit cost. See Note 13 for additional pension discussion.