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Goodwill and Intangible Assets (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 28, 2015 | Jun. 29, 2014 | Jun. 28, 2015 | Jun. 29, 2014 | Sep. 28, 2014
Finite-lived intangible assets |  |  |  |  |
Gross Amount | $ 124,207 |  | $ 124,207 |  | $ 127,484
Accumulated Amortization | (75,010) |  | (75,010) |  | (64,389)
Foreign currency translation adjustments |  |  | 2,800 |  |
Amortization expense for identifiable intangible assets | 4,700 | $ 6,100 | 15,500 | $ 21,400 |
Estimated amortization expense |  |  |  |  |
2015 | 4,852 |  | 4,852 |  |
2016 | 16,873 |  | 16,873 |  |
2017 | 14,273 |  | 14,273 |  |
2018 | 6,469 |  | 6,469 |  |
2019 | 3,252 |  | 3,252 |  |
Beyond | 3,478 |  | 3,478 |  |
Total | 49,197 |  | $ 49,197 |  |
Non-compete agreements |  |  |  |  |
Finite-lived intangible assets |  |  |  |  |
Weighted-Average Remaining Life |  |  | 1 year 3 months 18 days |  |
Gross Amount | 952 |  | $ 952 |  | 1,086
Accumulated Amortization | (633) |  | $ (633) |  | (524)
Client relations |  |  |  |  |
Finite-lived intangible assets |  |  |  |  |
Weighted-Average Remaining Life |  |  | 3 years 6 months |  |
Gross Amount | 118,325 |  | $ 118,325 |  | 122,198
Accumulated Amortization | (71,068) |  | $ (71,068) |  | (61,117)
Backlog |  |  |  |  |
Finite-lived intangible assets |  |  |  |  |
Weighted-Average Remaining Life |  |  | 9 months 18 days |  |
Gross Amount | 2,251 |  | $ 2,251 |  | 1,283
Accumulated Amortization | (1,292) |  | $ (1,292) |  | (1,072)
Technology and trade names |  |  |  |  |
Finite-lived intangible assets |  |  |  |  |
Weighted-Average Remaining Life |  |  | 1 year 6 months |  |
Gross Amount | 2,679 |  | $ 2,679 |  | 2,917
Accumulated Amortization | $ (2,017) |  | $ (2,017) |  | $ (1,676)

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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