FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Contingent considerations
Contingent consideration paid	$ (98,966)	$ 52,149	$ 101,851
Activities related to contingent consideration
Beginning balance	11,300	25,000
Additions to accrual	4,500
Payments	11,300
Fair value adjustments		(13,700)
Ending balance	4,500	11,300	25,000
Saturn Electronics and Engineering, Inc
Contingent considerations
Contingent consideration paid	$ 11,300