BUSINESS AND ASSET ACQUISITIONS (Details) (USD $)	3 Months Ended	12 Months Ended								12 Months Ended			3 Months Ended	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2013 Customer-related intangibles Maximum	Mar. 31, 2013 Other Acquisitions business	Mar. 31, 2012 Other Acquisitions business	Mar. 31, 2011 Other Acquisitions business	Mar. 31, 2012 Other Acquisitions Customer-related intangibles	Mar. 31, 2013 Customer Specific Assets Financed By Third Party Bank	Mar. 31, 2012 Customer Specific Assets Financed By Third Party Bank	Apr. 16, 2013 Google's Motorola Mobility LLC	Mar. 31, 2013 Saturn Electronics and Engineering, Inc	Mar. 31, 2013 Saturn Electronics and Engineering, Inc	Mar. 31, 2013 Saturn Electronics and Engineering, Inc Customer-related intangibles	Mar. 31, 2013 Saturn Electronics and Engineering, Inc Developed technology
Business Acquisitions
Number of acquisitions that were not individually, nor in the aggregate significant						3	3	4
Revenue						$ 231,300,000								$ 100,900,000
Potential contingent consideration													15,000,000	15,000,000
Current assets
Assets financed by a third party banking institution included in other current assets		251,300,000								251,300,000
Cash and cash equivalents													2,191,000	2,191,000
Accounts receivable													44,879,000	44,879,000
Inventories													23,350,000	23,350,000
Other current assets													619,000	619,000
Total current assets													71,039,000	71,039,000
Property and equipment													43,227,000	43,227,000
Goodwill						61,900,000	8,600,000						98,746,000	98,746,000
Other intangible assets									3,900,000				57,200,000	57,200,000	46,400,000	10,800,000
Other assets													925,000	925,000
Total assets													271,137,000	271,137,000
Current liabilities
Accounts payable													29,616,000	29,616,000
Other current liabilities													9,429,000	9,429,000
Total current liabilities													39,045,000	39,045,000
Other liabilities													23,401,000	23,401,000
Total aggregate purchase price													208,691,000	208,691,000
Cash acquired from acquisitions						80,100,000
Initial cash consideration													193,700,000	193,700,000
Useful life					8 years										5 years	7 years
Net decrease in goodwill resulting from purchase accounting adjustments			(601,000)										7,500,000
Increase in intangible assets resulting from purchase accounting adjustments													32,500,000
Increase in other liabilities resulting from purchase accounting adjustments													23,000,000
Amount released relating to valuation allowances for deferred tax assets	4,200,000												22,300,000
Amount of cash and earn out payments paid						72,700,000
Aggregate purchase consideration, net of cash acquired		184,097,000	92,257,000	16,966,000		7,400,000	92,300,000	17,000,000
Other current liability for purchase of assets on behalf of customer financed by a third party banking institution		272,800,000								272,800,000
Payment made for purchase of assets by the Company on behalf of the customer		100,359,000	2,501,000	3,031,000							115,300,000
Net cash inflows to fund assets acquired on behalf of customer		101,851,000								101,900,000
Aggregate commitment under manufacturing contract										88,000,000
Total purchase consideration												$ 170,600,000