Stock-Based Compensation (Tables)

9 Months Ended

Mar. 31, 2018

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

Summary of Stock Option Plans

The following table summarizes activity of the Company’s stock option plans since June 30, 2017:

	Options Outstanding
	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)
Outstanding at June 30, 2017	51		$	13.53	0.60
Granted	—		—
Exercised	(47	)	14.12
Canceled	—		—
Outstanding at March 31, 2018	4		$	5.52	3.38

Summary of Nonvested Restricted Stock

The following table summarizes the status of the Company’s non-vested restricted stock awards since June 30, 2017:

	Non-vested Restricted Stock Awards
	Number of Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2017	1,564		$	18.93
Granted	516		47.40
Vested	(769	)	17.09
Forfeited	(121	)	31.40
Outstanding at March 31, 2018	1,190		$	31.19

Stock Based Compensation Expenses

The following table presents share-based compensation expenses included in the Company’s consolidated statements of operations:

	Three Months Ended March 31,						Nine Months Ended March 31,
	2018			2017			2018			2017
Cost of revenues	$	169		$	150		$	364		$	373
Selling, general and administrative	2,929			3,270			11,175			9,848
Research and development	499			295			1,506			1,219
Stock-based compensation expense before tax	3,597			3,715			13,045			11,440
Income taxes	(1,187		)	(1,418		)	(4,305		)	(4,381		)
Stock-based compensation expense, net of income taxes	$	2,410		$	2,297		$	8,740		$	7,059