| Schedule of Finite-Lived Intangible Assets [Table Text Block] |
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December 28, 2014
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December 29, 2013
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Estimated range of lives (in years)
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Gross Amount (2)
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Accumulated Amortization
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Net Amount
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Gross Amount
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Accumulated Amortization
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Net Amount
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(in thousands)
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Developed technology
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5 to 10
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$
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140,976
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$
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(74,557
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)
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$
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66,419
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$
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140,476
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$
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(53,661
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)
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$
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86,815
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Customer relationships
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5 to 10
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109,672
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(49,268
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)
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60,404
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110,119
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(35,976
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)
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74,143
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Trade names
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0.5 to 7
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8,079
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(5,595
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)
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2,484
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9,478
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(5,545
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)
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3,933
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Trademarks
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7 to 8
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2,700
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(478
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2,222
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2,700
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(142
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)
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2,558
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IP R&D (1)
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-
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-
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-
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500
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-
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500
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Total Intangible Assets
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$
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261,427
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$
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(129,898
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)
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$
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131,529
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$
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263,273
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$
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(95,324
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)
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$
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167,949
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