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Noncontrolling Interest (Tables)
9 Months Ended
Sep. 30, 2017
Noncontrolling Interest [Abstract]  
Redeemable Noncontrolling Interest [Table Text Block]
We present changes in amounts attributable to redeemable noncontrolling interests in the following table.
(in millions)
 
Redeemable noncontrolling interests as of December 31, 2016
$
6.8

Acquisition of redeemable noncontrolling interest (1)
(3.5
)
Net loss
(0.1
)
Impact of exchange rate movements
0.7

Redeemable noncontrolling interests as of September 30, 2017
$
3.9

(1) Reflects our redemption of a portion of the redeemable noncontrolling interest related to our 2014 acquisition of Tenzing AB and includes $1.1 million representing the difference between the redemption value and the carrying value of the acquired interest.