XML 68 R99.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Segment Information and Enterprise Reporting Segment Information and Enterprise Reporting - (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Product | $ 936,408 | $ 829,874 | $ 738,242
Percentage Of Product Revenue Based On Geographic Area By Destination | 100.00% | 100.00% | 100.00%
Long-Lived Assets | $ 219,926 | $ 274,389 | $ 257,357
Concentration Risk, Long-lived Asset Geographic Area, Percentage | 100.00% | 100.00% | 100.00%
United States (U.S.) |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Product | $ 636,371 | $ 566,816 | $ 502,983
Percentage Of Product Revenue Based On Geographic Area By Destination | 68.00% | 68.30% | 68.10%
Europe, Middle East and Africa |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Product | $ 183,363 | $ 160,910 | $ 138,689
Percentage Of Product Revenue Based On Geographic Area By Destination | 19.60% | 19.40% | 18.80%
Asia and Australia |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Product | $ 87,961 | $ 75,534 | $ 72,434
Percentage Of Product Revenue Based On Geographic Area By Destination | 9.40% | 9.10% | 9.80%
North and South America (excluding U.S.) |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Product | $ 28,713 | $ 26,614 | $ 24,136
Percentage Of Product Revenue Based On Geographic Area By Destination | 3.00% | 3.20% | 3.30%
Reportable Geographical Components | United States (U.S.) |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | $ 216,650 | $ 262,373 | $ 247,555
Concentration Risk, Long-lived Asset Geographic Area, Percentage | 98.50% | 95.60% | 96.20%
Reportable Geographical Components | International |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Long-Lived Assets | $ 3,276 | $ 12,016 | $ 9,802
Concentration Risk, Long-lived Asset Geographic Area, Percentage | 1.50% | 4.40% | 3.80%

X
- Definition Concentration Risk, Long-lived Asset Geographic Area, Percentage + References No definition available. + Details
Name: | masi_ConcentrationRiskLonglivedAssetGeographicAreaPercentage
Namespace Prefix: | masi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Of Product Revenue Based Upon Geographic Area By Destination + References No definition available. + Details
Name: | masi_PercentageOfProductRevenueBasedOnGeographicAreaByDestination
Namespace Prefix: | masi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total revenue from both the sale of goods during the reporting period as well as royalties earned during the period, excluding royalty revenue based on a third party settlement agreement, reduced by sales returns and allowances, and sales discounts. + References No definition available. + Details
Name: | masi_ProductRevenue
Namespace Prefix: | masi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
Name: | us-gaap_NoncurrentAssets
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_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_EMEAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=srt_ReportableGeographicalComponentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |