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Intangibles (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Dec. 30, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | $ 63,180 |  | $ 63,180 |  |
Amortization of Intangible Assets | 9,800 | $ 10,500 | 21,300 | $ 17,300 |
Finite-Lived Intangible Assets, Gross | 657,095 |  | 657,095 |  | $ 372,670
Finite-Lived Intangible Assets, Accumulated Amortization | (229,019) |  | (229,019) |  | (207,334)
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 58,686 |  | 58,686 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three | 56,172 |  | 56,172 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four | 53,462 |  | 53,462 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five | 46,392 |  | 46,392 |  |
Finite-Lived Intangible Assets, Amortization Expense, after Year Five | 150,184 |  | 150,184 |  |
Finite-Lived Intangible Assets, Net | 428,076 |  | $ 428,076 |  |
Customer Lists [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 8 years 2 months | 5 years 2 months |
Finite-Lived Intangible Assets, Gross | 596,526 |  | $ 596,526 |  | 330,496
Finite-Lived Intangible Assets, Accumulated Amortization | (190,030) |  | $ (190,030) |  | (171,005)
Backlog [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 1 month | 9 months |
Finite-Lived Intangible Assets, Gross | 20,010 |  | $ 20,010 |  | 19,689
Finite-Lived Intangible Assets, Accumulated Amortization | (19,739) |  | $ (19,739) |  | (18,081)
Developed Technology Rights [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  | 6 years 3 months | 4 years 2 months |
Finite-Lived Intangible Assets, Gross | 40,559 |  | $ 40,559 |  | 22,485
Finite-Lived Intangible Assets, Accumulated Amortization | (19,250) |  | (19,250) |  | (18,248)
Tradenames And Trademarks [Member] |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | $ 864,695 |  | $ 864,695 |  | $ 615,090

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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=98514028&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=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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