Stock-Based Compensation And Employee Purchase Plan (Tables)

3 Months Ended

Jun. 30, 2017

Option Grants

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

Stock Option activity under all the Company's stock option plans for the three months ended June 30, 2017, is summarized as follows:

		Three Months Ended
		June 30,
		2017		2016
Stock options outstanding at the beginning of the period:		4,462		4,793
Options granted		35		54
Options exercised		(101)		(192)
Options canceled and forfeited		(48)		-
Options outstanding at the end of the period:		4,348		4,655
Weighted-average fair value of grants during the period	$	4.93	$	5.45
Total intrinsic value of options exercised during the period	$	792	$	2,018
Weighted-average remaining recognition period at period-end (in years)		1.92		2.22

Stock Awards

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

		Three Months Ended
		June 30,
		2017		2016
Unvested stock awards outstanding at the beginning of the period:		4,950		4,545
Stock awards granted		370		301
Stock awards vested		(189)		(312)
Stock awards canceled and forfeited		(128)		(101)
Unvested stock awards outstanding at the end of the period:		5,003		4,433
Weighted-average fair value of grants during the period	$	13.50	$	11.53
Weighted-average remaining recognition period at period-end (in years)		2.45		2.49
Total unrecognized compensation expense at period-end	$	46,171	$	32,920