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Long-Lived Assets | 9 Months Ended
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Oct. 01, 2017
Property, Plant and Equipment [Abstract] |
Long-Lived Assets | Long-Lived Assets Depreciation and Amortization Expense We recognized depreciation expense of $11.7 million and $34.6 million in the three and nine months ended October 1, 2017, respectively. We recognized depreciation expense of $11.6 million and $35.3 million in the three and nine months ended October 2, 2016, respectively. In connection with the segment change discussed in Note 4, we re-evaluated the useful life of the Tripwire trademark and concluded that an indefinite life is no longer appropriate. We have estimated a useful life of 10 years and will re-evaluate this estimate if and when our expected use of the Tripwire trademark changes. We began amortizing the Tripwire trademark in the first quarter of 2017, which resulted in amortization expense of $0.8 million and $2.4 million for the three and nine months ended October 1, 2017, respectively. As of October 1, 2017, the net book value of the Tripwire trademark was $28.6 million. We recognized amortization expense related to our intangible assets of $27.2 million and $77.9 million in the three and nine months ended October 1, 2017, respectively. We recognized amortization expense related to our intangible assets of $23.8 million and $75.6 million in the three and nine months ended October 2, 2016, respectively.

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- Definition The entire disclosure for intangible assets and long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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