INCOME TAXES - Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Deferred tax liabilities:
Fixed assets	$ (40,324)	$ (74,316)
Intangible assets	(76,432)	(88,760)
Others	(20,702)	(29,472)
Total deferred tax liabilities	(137,458)	(192,548)
Deferred tax assets:
Fixed assets	57,869	65,004
Intangible assets	3,153	3,795
Deferred compensation	19,335	15,892
Inventory valuation	8,489	10,124
Provision for doubtful accounts	2,911	1,300
Net operating loss and other carryforwards	2,369,405	2,332,894
Others	266,367	271,272
Gross deferred tax assets	2,727,529	2,700,281
Valuation allowances	(2,442,105)	(2,385,489)
Net deferred tax assets	285,424	314,792
Net deferred tax asset	147,966	122,244
The net deferred tax asset is classified as follows:
Current asset (classified as other current assets)	0	0
Long-term asset	223,285	222,772
Long-term liability	(75,319)	$ (100,528)
Deferred tax asset associated with tax loss and tax credit carryforwards of indefinite duration	2,400,000
Valuation allowance relating to deferred tax assets	128,500
Tax losses and other carryforwards	2,390,607
Undistributed earnings of subsidiaries	1,200,000
2018 - 2023
The net deferred tax asset is classified as follows:
Tax losses and other carryforwards	682,705
2024 - 2029
The net deferred tax asset is classified as follows:
Tax losses and other carryforwards	925,092
2030 and post
The net deferred tax asset is classified as follows:
Tax losses and other carryforwards	378,047
Indefinite
The net deferred tax asset is classified as follows:
Tax losses and other carryforwards	404,763
China | Subsidiaries
The net deferred tax asset is classified as follows:
Undistributed foreign earnings that applicable foreign withholding taxes have been provided	70,600
Deferred tax liability on undistributed foreign earnings	$ 7,100