SHARE-BASED COMPENSATION (Tables)

12 Months Ended

Mar. 31, 2015

Share-based compensation

Schedule of share-based compensation expense

	Fiscal Year Ended March 31,
	2015		2014		2013
	(In thousands)
Cost of sales	$	7,503	$	6,540	$	5,163
Selling, general and administrative expenses		42,767		33,899		29,366
Total share-based compensation expense	$	50,270	$	40,439	$	34,529

Summary of option activity

	Fiscal Year Ended March 31,
	2015					2014					2013
	Options			Price		Options			Price		Options			Price
Outstanding, beginning of fiscal year		23,612,872		$	8.57		34,405,564		$	8.29		43,933,660		$	7.78
Granted		15,000			11.11		—			—		19,000			6.57
Exercised		(3,600,900	)		6.53		(6,572,383	)		4.28		(5,398,331	)		4.12
Forfeited		(4,034,078	)		13.17		(4,220,309	)		12.93		(4,148,765	)		8.32
Outstanding, end of fiscal year		15,992,894		$	7.81		23,612,872		$	8.57		34,405,564		$	8.29
Options exercisable, end of fiscal year		15,959,173		$	7.81		23,373,101		$	8.58		33,662,480		$	8.31

Schedule of composition of options outstanding and exercisable

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number of Shares Outstanding		Weighted Average Remaining Contractual Life (In Years)		Weighted Average Exercise Price		Number of Shares Exercisable		Weighted Average Exercise Price
$1.94 - $2.26		4,665,815		0.79	$	2.12		4,665,815	$	2.12
$3.39 - $5.75		2,236,960		1.36		5.56		2,233,938		5.56
$5.87 - $7.07		79,118		2.03		6.42		68,217		6.43
$7.08 - $10.59		4,357,646		0.42		10.34		4,349,848		10.35
$10.67 - $11.41		831,555		1.19		11.22		819,555		11.22
$11.53 - $13.98		3,786,800		0.22		12.45		3,786,800		12.45
$14.34 - $23.02		35,000		1.42		15.95		35,000		15.95
$1.94 - $23.02		15,992,894		0.66	$	7.81		15,959,173	$	7.81
Options vested and expected to vest		15,989,753		0.66	$	7.81

Schedule of share bonus award activity

	Fiscal Year Ended March 31,
	2015					2014					2013
	Shares			Price		Shares			Price		Shares			Price
Unvested share bonus awards outstanding, beginning of fiscal year		21,848,120		$	7.32		21,807,069		$	6.80		15,965,268		$	6.91
Granted		6,963,125			11.75		8,978,941			8.07		9,582,867			6.74
Vested		(7,246,056	)		6.97		(5,481,153	)		6.66		(1,506,234	)		7.51
Forfeited		(2,571,937	)		7.70		(3,456,737	)		7.07		(2,234,832	)		6.86
Unvested share bonus awards outstanding, end of fiscal year		18,993,252		$	9.01		21,848,120		$	7.32		21,807,069		$	6.80

Schedule of share bonus awards with market conditions

	Targeted number of awards as of March 31, 2015 (in shares)					Range of shares that may be issued
			Average grant date fair value (per share)
										Assessment dates
Year of grant					Market condition	Minimum		Maximum
Fiscal 2015		962,083	$	14.77	Vesting ranges from zero to 200% based on measurement of Flextronics' total shareholder return against both the Standard and Poor's ("S&P") 500 Composite Index and an Extended Electronics Manufacturing Services ("EMS") Group Index.		—		1,924,166	May 2017
Fiscal 2014		1,932,000	$	9.36	Vesting ranges from zero to 200% based on measurement of Flextronics' total shareholder return against both the Standard and Poor's ("S&P") 500 Composite Index and an Extended Electronics Manufacturing Services ("EMS") Group Index.		—		3,864,000	May 2016
Fiscal 2013		1,591,000	$	7.60	Vesting ranges from zero to 200% based on measurement of Flextronics' total shareholder return against the S&P 500 Composite Index.		—		3,182,000	May 2015
Fiscal 2012		380,000	$	7.83	Vesting ranges from zero to 150% based on measurement of Flextronics' total shareholder return against the S&P 500 Composite Index.		—		570,000	June 2015 (50%)
Totals		4,865,083							9,540,166

Options

Share-based compensation

Schedule of weighted-average assumptions

	Fiscal Year Ended March 31,
	2015	2013
Expected term	6.3 years	4.1 years
Expected volatility	46.9%	46.9%
Expected dividends	0.0%	0.0%
Risk-free interest rate	2.3%	0.9%
Weighted-average fair value	$4.85	$2.48

Share Bonus Awards with Market Conditions

Share-based compensation

Schedule of weighted-average assumptions

	Fiscal Year Ended March 31,
	2015			2014			2013
Expected volatility		29.4	%		35.9	%		41.7	%
Average peer volatility		25.9	%		35.7	%		19.2	%
Average peer correlation		0.6			0.4			0.7
Expected dividends		0.0	%		0.0	%		0.0	%
Risk-free interest rate		0.9	%		0.4	%		0.4	%