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STOCK AWARD PLANS (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

A summary of our total compensation expense recognized in our condensed consolidated statements of operations and comprehensive income for stock-based compensation is as follows (in thousands):

	Three Months Ended June 30,								Six Months Ended June 30,
	2018				2017				2018				2017
Stock options	$	7,263			$	624			$	12,265			$	3,626
Stock awards	18,692				3,312				30,904				11,722
Company expense on ESPP discount	615				588				1,535				1,494
Total stock-based compensation expense	$	26,570			$	4,524			$	44,704			$	16,842

Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity

The following is a summary of the employee stock purchase plan activity (dollar amounts in thousands):

Three Months Ended June 30, 2018
Shares purchased by employees			Aggregate cost to employees				Expense recognized by the company
48,991			$	3,484			$	615

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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-Name Accounting Standards Codification
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Tabular disclosure of employee stock purchase plan activity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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