XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Goodwill and Intangibles Assets (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 6 years 1 month 6 days |  |
Gross Carrying Amount | $ 379,631 |  | $ 379,631 |  | $ 379,631
Accumulated Amortization | (103,014) |  | (103,014) |  | (68,986)
Net Carrying Amount | 276,617 |  | 276,617 |  | 310,645
Amortization | 17,014 | $ 14,660 | 34,028 | $ 19,362 |
Cost of net revenue |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization | 8,978 | 6,260 | 17,956 | 8,944 |
Research and development |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization | 42 | 138 | 84 | 275 |
Selling, general and administrative |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortization | 7,994 | $ 8,262 | $ 15,988 | $ 10,143 |
Licensed technology |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 3 years 8 months 12 days |  |
Gross Carrying Amount | 2,070 |  | $ 2,070 |  | 2,070
Accumulated Amortization | (860) |  | (860) |  | (575)
Net Carrying Amount | 1,210 |  | $ 1,210 |  | 1,495
Developed technology |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 6 years 10 months 24 days |  |
Gross Carrying Amount | 241,561 |  | $ 241,561 |  | 241,561
Accumulated Amortization | (57,189) |  | (57,189) |  | (39,252)
Net Carrying Amount | 184,372 |  | $ 184,372 |  | 202,309
Trademarks and trade names |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 6 years 1 month 6 days |  |
Gross Carrying Amount | 13,800 |  | $ 13,800 |  | 13,800
Accumulated Amortization | (3,122) |  | (3,122) |  | (1,992)
Net Carrying Amount | 10,678 |  | $ 10,678 |  | 11,808
Customer relationships |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 4 years 7 months 6 days |  |
Gross Carrying Amount | 121,100 |  | $ 121,100 |  | 121,100
Accumulated Amortization | (41,154) |  | (41,154) |  | (26,661)
Net Carrying Amount | 79,946 |  | $ 79,946 |  | 94,439
Non-compete covenants |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Weighted Average Useful Life (in Years) |  |  | 3 years |  |
Gross Carrying Amount | 1,100 |  | $ 1,100 |  | 1,100
Accumulated Amortization | (689) |  | (689) |  | (506)
Net Carrying Amount | $ 411 |  | $ 411 |  | $ 594

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=mxl_LicensedTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksAndTradeNamesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |