BALANCE SHEET ITEMS (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2013	Mar. 31, 2013
Components of acquired intangible assets
Gross Carrying Amount	$ 318,877	$ 315,350
Accumulated Amortization	(244,789)	(233,803)
Net Carrying Amount	74,088	81,547
Estimated future annual amortization expense for acquired intangible assets
2014	11,232
2015	22,844
2016	18,186
2017	11,477
2018	6,587
Thereafter	3,762
Net Carrying Amount	74,088	81,547
Customer-related intangibles
Components of acquired intangible assets
Gross Carrying Amount	292,337	294,310
Accumulated Amortization	(234,041)	(224,517)
Net Carrying Amount	58,296	69,793
Estimated future annual amortization expense for acquired intangible assets
Net Carrying Amount	58,296	69,793
Licenses and other intangibles
Components of acquired intangible assets
Gross Carrying Amount	26,540	21,040
Accumulated Amortization	(10,748)	(9,286)
Net Carrying Amount	15,792	11,754
Estimated future annual amortization expense for acquired intangible assets
Net Carrying Amount	$ 15,792	$ 11,754

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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