STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Mar. 31, 2018

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,
	2018		2017		2016
Cost of goods sold	$	24,610	$	21,056	$	15,323
Selling and marketing	13,258		9,963		9,425
General and administrative	58,037		42,908		40,322
Research and development	18,020		7,952		4,926
Business reorganization	2,424		—		—
Stock-based compensation expense	$	116,349	$	81,879	$	69,996
Capitalized stock-based compensation expense	$	90,914	$	74,717	$	30,367

Schedule of restricted stock awarded activity to ZelnickMedia

In connection with the 2014 Management Agreement, we granted restricted stock units to ZelnickMedia (see Note 2 - Management Agreement) as follows:

	Fiscal Year Ended March 31,
	2018	2017
Time-based	66	108
Market-based(1)	122	199
Performance-based(1)
New IP	21	33
Major IP	20	33
Total-Performance-based	41	66
Total Restricted Stock Units	229	373

(1) Represents the maximum number of shares eligible to vest.

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 to estimate the fair value of market-based awards:

	Fiscal Year Ended March 31,
	2018				2017				2016
	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	1.4	%	2.1	%	0.9	%	0.7	%	0.6	%	0.4	%
Expected stock price volatility	28.4	%	35.5	%	31.2	%	30.1	%	33.9	%	32.2	%
Expected service period (years)	1.5		1.0		1.5		1.0		1.9		1.1
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 units 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, 2017	4,259		$	32.93
Granted	8,039		101.72
Vested	(3,272	)	28.67
Forfeited	(1,629	)	107.05
Non-vested restricted stock at March 31, 2018	7,397		$	90.70