FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Contingent Consideration (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 28, 2015	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Contingent considerations
Liabilities incurred		$ 84,300
Deductions/ Write-Offs		12,221	$ 1,645	$ 7,377
Contingent consideration paid		(85,800)	(98,966)	52,149
Activities related to contingent consideration
Beginning balance		4,500	11,300
Additions to accrual		84,261	4,500
Payments and settlements		(19,008)	(11,300)
Fair value adjustments		3,670	0
Ending balance		73,423	4,500	$ 11,300
Nextracker
Contingent considerations
Liabilities incurred	$ 81,000
Contingent liabilities, fair value adjustment	3,700
Activities related to contingent consideration
Ending balance	$ 97,200
Saturn Electronics and Engineering, Inc
Contingent considerations
Contingent consideration paid			$ 11,300
Distressed Customer
Contingent considerations
Deductions/ Write-Offs		$ 19,000