STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Mar. 31, 2017

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

Schedule of stock-based compensation expenses

The following table summarizes stock-based compensation expense included in our Consolidated Statements of Operations:

	Fiscal Year Ended March 31,
	2017		2016		2015
Cost of goods sold	$	21,056	$	15,323	$	17,121
Selling and marketing	9,963		9,425		8,798
General and administrative	42,908		40,322		33,636
Research and development	7,952		4,926		5,691
Stock-based compensation expense	$	81,879	$	69,996	$	65,246
Capitalized stock-based compensation expense	$	74,717	$	30,367	$	17,423

Schedule of restricted stock awarded activity to ZelnickMedia

In connection with the 2014 Management Agreement, we granted 372,935 and 525,591 restricted stock units to ZelnickMedia on May 20, 2016 and May 20, 2015, respectively, as follows:

	Fiscal Year Ended March 31,
	2017	2016
Time-based	107,551	151,575
Market-based(1)	199,038	280,512
Performance-based(1)
New IP	33,174	46,752
Major IP	33,172	46,752
Total-Performance-based	66,346	93,504
Total Restricted Stock Units	372,935	525,591

Schedule of weighted-average assumptions used to value outstanding market-based restricted shares

The following table summarizes the weighted-average assumptions used in the Monte Carlo Simulation method:

	Fiscal Year Ended March 31,
	2017				2016				2015
	Employee Market-Based		Non-Employee Market-Based		Employee Market-Based		Non-Employee Market-Based		Employee Market-Based		Non-Employee Market-Based
Risk-free interest rate	0.9	%	0.7	%	0.6	%	0.4	%	0.4	%	0.1	%
Expected stock price volatility	31.2	%	30.1	%	33.9	%	32.2	%	31.9	%	33.7	%
Expected service period (years)	1.5		1.0		1.9		1.1		2.0		3.7
Dividends	None		None		None		None		None		None

Schedule of activity in non-vested restricted stock awards to employees and ZelnickMedia

The following table summarizes the activity in non-vested restricted stock awards to employees and ZelnickMedia under our stock-based compensation plans with performance and market based restricted stock awards presented at 100% of target number of shares that may potentially vest:

	Shares (in thousands)		Weighted Average Fair Value on Grant Date
Non-vested restricted stock at March 31, 2016	6,405		$	24.74
Granted	1,161		47.48
Vested	(3,220	)	23.54
Forfeited	(87	)	20.76
Non-vested restricted stock at March 31, 2017	4,259		$	32.93