Redeemable Noncontrolling Interest (Tables)

12 Months Ended

Dec. 31, 2017

Noncontrolling Interest [Abstract]

Schedule of Reconciliation of Changes in Redeemable Noncontrolling Interest

The following table presents the reconciliation of changes in the Company’s redeemable noncontrolling interest (in thousands):

	Redeemable Noncontrolling Interest
Balance as of December 31, 2016	$	—
Acquisition of noncontrolling interest		21,582
Net income attributable to noncontrolling interest		2,256
Adjustment of redeemable noncontrolling interest to estimated redemption value (1)		20,244
Foreign currency translation		2,841
Balance as of December 31, 2017	$	46,923

1. Adjustment of the carrying value of redeemable noncontrolling interest to the estimated redemption value was recognized in retained earnings instead of the consolidated statement of operations but was included in the computation of earnings per share attributable to Novanta Inc. (see Note 9).