STOCKHOLDERS' EQUITY: (Tables)

12 Months Ended

Mar. 31, 2016

STOCKHOLDERS' EQUITY:

Schedule of option activity

	Number of shares		Weighted- average exercise  price per share		Weighted- average remaining contractual  term (in years)	Aggregate intrinsic value (in thousands)
Outstanding at March 31, 2015	4,870,219		$	15.10
Granted	445,785		$	17.84
Exercised	(923,958	)	$	8.51		$	10,746
Forfeited or cancelled	(787,944	)	$	27.05
Outstanding at March 31, 2016	3,604,102		$	14.52	5.20	$	25,883
Exercisable at March 31, 2016	2,486,647		$	14.62	3.90	$	17,777

Summary of stock options outstanding and exercisable

	Options outstanding				Options exercisable
Range of exercise price per share	Options outstanding	Weighted- average remaining contractual life	Weighted-average exercise price per share		Options exercisable	Weighted-average exercise price per share
$ 0.63 - $ 8.90	690,255	6.83 years	$	1.80	387,703	$	1.82
$ 11.08 - $ 14.21	1,052,358	4.66 years	$	13.32	985,021	$	13.32
$ 15.31 - $ 19.76	819,902	5.54 years	$	17.16	404,855	$	16.54
$ 20.27 - $ 24.53	1,021,945	4.35 years	$	21.87	699,204	$	22.18
$ 27.77 - $ 32.85	19,642	7.58 years	$	32.83	9,864	$	32.80
	3,604,102	5.20 years	$	14.52	2,486,647	$	14.62

Schedule of stock appreciation right (SAR) activity

	Number of shares	Weighted- average exercise price per share		Weighted- average remaining contractual term (in years)	Aggregate intrinsic value (in thousands)
Outstanding at March 31, 2015	245,404	$	40.00
Outstanding at March 31, 2016	245,404	$	40.00	1.00	$	—
Exercisable at March 31, 2016	—	$	—	—	$	—

Schedule of non-vested time-vesting restricted stock units activity

	Number of shares		Weighted average fair value per share at grant date		Weighted- average remaining contractual term (in years)
Outstanding at March 31, 2015	2,053,179		$	20.44	1.95
Granted	1,427,561		$	18.89
Vested	(975,744	)	$	20.16
Forfeited or cancelled	(225,101	)	$	19.41
Outstanding at March 31, 2016	2,279,895		$	19.69	2.12

Schedule of non-vested performance-based restricted stock units activity

	Number of shares		Weighted average fair value per share at grant date		Weighted- average remaining contractual term (in years)
Outstanding at March 31, 2015	389,310		$	21.12	1.57
Granted	367,807		$	18.42
Forfeited or cancelled	(240,299	)	$	22.35
Outstanding at March 31, 2016	516,818		$	18.62	1.67

Schedule of other performance unit activity

	Number of shares	Weighted average fair value per share at grant date		Weighted- average remaining contractual term (in years)
Outstanding at March 31, 2015	312,575	$	5.23
Granted	323,080	$	2.94
Outstanding at March 31, 2016	635,655	$	4.07	1.30

Schedule of accumulated balances for each component of other comprehensive income

The accumulated balances for each component of other comprehensive income was (dollars in thousands):

	March 31, 2016			March 31, 2015
Foreign currency translation	$	8,705		$	9,612
Unrealized loss on interest rate swap	(115		)	(199		)
	$	8,590		$	9,413