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Other Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 25, 2015 | Sep. 26, 2014 | Sep. 25, 2015 | Sep. 26, 2014 | Dec. 26, 2014
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Cost | $ 218,417 |  | $ 218,417 |  | $ 161,587
Accumulated Amortization | (41,600) |  | (41,600) |  | (29,118)
Foreign Currency Translation |  |  | (8,882) |  | (7,989)
Book Value | 167,935 |  | 167,935 |  | 124,480
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |  |  |  |
Total Cost | 287,581 |  | 287,581 |  | 216,852
Foreign Currency Translation |  |  | (12,123) |  | (11,456)
Total Book | 233,858 |  | 233,858 |  | 176,278
Current and future amortization expense |  |  |  |  |
Amortization of intangible assets | 4,400 | $ 2,600 | 12,900 | $ 8,500 |
Future amortization expense, year one | 17,200 |  | 17,200 |  |
Future amortization expense, year two | 17,200 |  | 17,200 |  |
Future amortization expense, year three | 16,900 |  | 16,900 |  |
Future amortization expense, year four | 16,700 |  | 16,700 |  |
Future amortization expense, year five | 16,400 |  | 16,400 |  |
Future amortization expense, after year five | 96,400 |  | 96,400 |  |
Brand names |  |  |  |  |
Not Subject to Amortization: |  |  |  |  |
Cost | 69,164 |  | 69,164 |  | 55,265
Foreign Currency Translation |  |  | (3,241) |  | (3,467)
Trade names | 65,923 |  | 65,923 |  | 51,798
Customer relationships |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Cost | 197,648 |  | 197,648 |  | 143,144
Accumulated Amortization | (33,055) |  | (33,055) |  | (21,948)
Foreign Currency Translation |  |  | (8,187) |  | (7,334)
Book Value | 156,406 |  | $ 156,406 |  | $ 113,862
Customer relationships | Minimum |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated Life (years) |  |  | 3 years |  | 3 years
Customer relationships | Maximum |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated Life (years) |  |  | 14 years |  | 14 years
Patents, proprietary technology and product documentation |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Cost | 20,274 |  | $ 20,274 |  | $ 18,268
Accumulated Amortization | (8,433) |  | (8,433) |  | (7,126)
Foreign Currency Translation |  |  | (592) |  | (655)
Book Value | 11,249 |  | $ 11,249 |  | $ 10,487
Patents, proprietary technology and product documentation | Minimum |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated Life (years) |  |  | 3 years |  | 3 years
Patents, proprietary technology and product documentation | Maximum |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated Life (years) |  |  | 11 years |  | 11 years
Trademarks, trade names and other |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Estimated Life (years) |  |  | 5 years |  | 5 years
Cost | 495 |  | $ 495 |  | $ 175
Accumulated Amortization | (112) |  | (112) |  | (44)
Foreign Currency Translation |  |  | (103) |  | 0
Book Value | $ 280 |  | $ 280 |  | $ 131

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