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GOODWILL AND INTANGIBLE ASSETS Intangible Assets (Details) (USD $) | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Mar. 30, 2013 | Mar. 31, 2012 | Apr. 02, 2011 | Mar. 30, 2013 Patents | Mar. 31, 2012 Patents | Mar. 30, 2013 Capitalized software | Mar. 31, 2012 Capitalized software | Mar. 30, 2013 Other developed technology | Mar. 31, 2012 Other developed technology | Mar. 30, 2013 Customer contracts and related relationships | Mar. 31, 2012 Customer contracts and related relationships | Mar. 30, 2013 Trade names | Mar. 31, 2012 Trade names | Mar. 30, 2013 Arryx Related Assets [Member] | Mar. 30, 2013 Minimum [Member] | Mar. 30, 2013 Maximum [Member] | Mar. 30, 2013 Asset Write Down [Member] Arryx Related Assets [Member]
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate amortization expense | $ 22,100,000 | $ 11,400,000 | $ 11,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future amortization expense, year one | 26,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future amortization expense, year two | 24,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future amortization expense, year three | 24,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future amortization expense, year four | 24,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future amortization expense, year five | 23,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Carrying Amount | 336,781,000 | 151,522,000 |  | 8,706,000 | 13,463,000 | 26,841,000 | 20,597,000 | 99,486,000 | 42,693,000 | 196,365,000 | 69,361,000 | 5,383,000 | 5,408,000 |  |  |  |
Accumulated Amortization | 72,393,000 | 54,973,000 |  | 6,397,000 | 7,843,000 | 2,333,000 | 1,394,000 | 24,843,000 | 20,120,000 | 36,552,000 | 23,639,000 | 2,268,000 | 1,977,000 |  |  |  |
Net | 264,388,000 | 96,549,000 |  | 2,309,000 | 5,620,000 | 24,508,000 | 19,203,000 | 74,643,000 | 22,573,000 | 159,813,000 | 45,722,000 | 3,115,000 | 3,431,000 |  |  |  |
Weighted average useful life | 11 years | 11 years |  | 10 years | 11 years | 6 years | 6 years | 12 years | 11 years | 12 years | 12 years | 10 years | 10 years |  | 2 years | 19 years |
Cost Incurred | 10,892,000 | 5,858,000 | 4,484,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,247,000
Proceeds from sale of intellectual property |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 900,000 |  |  |

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