EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Basic earnings from continuing and discontinued operations per share:
Income from continuing operations	$ 145,157	$ 54,596	$ 322,619	$ 351,818
Loss from discontinued operations		(7,248)		(25,451)
Net income	145,157	47,348	322,619	326,367
Shares used in computation:
Weighted-average ordinary shares outstanding	606,724	658,925	614,539	666,852
Basic earnings from continuing operations per share (in dollars per share)	$ 0.24	$ 0.08	$ 0.52	$ 0.53
Basic loss from discontinued operations per share (in dollars per share)		$ (0.01)		$ (0.04)
Basic earnings per share (in dollars per share)	$ 0.24	$ 0.07	$ 0.52	$ 0.49
Diluted earnings from continuing and discontinued operations per share:
Income from continuing operations	145,157	54,596	322,619	351,818
Loss from discontinued operations		(7,248)		(25,451)
Net income	$ 145,157	$ 47,348	$ 322,619	$ 326,367
Shares used in computation:
Weighted-average ordinary shares outstanding	606,724	658,925	614,539	666,852
Weighted-average ordinary share equivalents from stock options and awards	11,953	10,563	12,860	11,758
Weighted-average ordinary shares and ordinary share equivalents outstanding	618,677	669,488	627,399	678,610
Diluted earnings from continuing operations per share (in dollars per share)	$ 0.23	$ 0.08	$ 0.51	$ 0.52
Diluted loss from discontinued operations per share (in dollars per share)		$ (0.01)		$ (0.04)
Diluted earnings per share (in dollars per share)	$ 0.23	$ 0.07	$ 0.51	$ 0.48