EARNINGS PER SHARE - Weighted Average Shares used to Calculate EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 28, 2018	Jun. 29, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 29, 2017	Jun. 30, 2017	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income									$ 93,399	$ 428,534	$ 319,564
Shares used in computation:
Weighted-average ordinary shares outstanding (shares)									526,519	529,782	540,503
Basic earnings per share (in dollars per share)	$ (0.12)	$ (0.09)	$ 0.16	$ 0.22	$ (0.04)	$ 0.22	$ 0.39	$ 0.24	$ 0.18	$ 0.81	$ 0.59
Shares used in computation:
Weighted-average ordinary shares outstanding (shares)									526,519	529,782	540,503
Weighted-average ordinary share equivalents from stock options and awards (shares)									3,551	6,816	5,717
Weighted-average ordinary shares and ordinary share equivalents outstanding (shares)									530,070	536,598	546,220
Diluted earnings per share (in dollars per share)									$ 0.18	$ 0.80	$ 0.59
Options
Shares used in computation:
Shares excluded from the computation of diluted earnings per share (in shares)											500
Share bonus awards
Shares used in computation:
Shares excluded from the computation of diluted earnings per share (in shares)									6,800	100	100