Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2017

Equity and Changes in Equity During Period

The Company’s equity as of December 31, 2016 and September 30, 2017, and changes during the nine months ended September 30, 2017, were as follows:

	(in thousands)
Balance at December 31, 2016	$	972,119
Net income		45,457
Cumulative effect of change in accounting principle_(a)		2,650
Currency translation		749
Stock-based compensation		27,171
Shares repurchased and retired to satisfy tax withholding upon vesting		(7,696	)
Stock option exercises, net of withholdings and other		12,505
Balance at September 30, 2017	$	1,052,955

(a)

See Note 2, Significant Accounting Policies, for additional details related to the impact of the adoption of ASU 2016-09 during the nine months ended September 30, 2017.

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