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Noncontrolling Interest (Tables) | 6 Months Ended
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Jun. 30, 2018
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, 2017 | $ | 3.8 |
Acquisition of redeemable noncontrolling interest (1) | (3.8 | )
Redeemable noncontrolling interests as of June 30, 2018 | $ | — |
(1) Reflects our redemption of the final portion of the redeemable noncontrolling interest related to our 2014 acquisition of Tenzing AB and includes $2.3 million representing the difference between the redemption value and the carrying value of the acquired interest.

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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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