FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015
Business Acquisition [Line Items]
Transfers out of Level 1 and into Level 2 related to assets and liabilities measured on a recurring and nonrecurring basis	$ 0	$ 0	$ 0
Transfers out of Level 2 and into Level 1 related to assets and liabilities measured on a recurring and nonrecurring basis	0	0	0
Transfers out of Level 1 and into Level 2 related to liabilities measured on a recurring and nonrecurring basis	0	0	0
Transfers out of Level 2 and into Level 1 related to liabilities measured on a recurring and nonrecurring basis	0	0	0
Nextracker
Business Acquisition [Line Items]
Liabilities accrued related to acquisition	81,000,000		81,000,000
Contingent liabilities, fair value Aajustment	$ 4,000,000		$ 4,000,000
Saturn Electronics and Engineering Inc
Business Acquisition [Line Items]
Contingent consideration payments		$ 7,400,000