XML 74 R62.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Segment Information and Enterprise Reporting - Analysis of Product Revenues Based upon Geographic Area Shipped (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 01, 2016 | Oct. 03, 2015 | Oct. 01, 2016 | Oct. 03, 2015
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |  |  |
Total product revenue | $ 160,286 | $ 144,603 | $ 488,183 | $ 439,572
Total product revenue, in percentage | 100.00% | 100.00% | 100.00% | 100.00%
North and South America | Reportable Geographical Components |  |  |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |  |  |
Total product revenue | $ 5,164 | $ 3,746 | $ 14,368 | $ 12,238
Total product revenue, in percentage | 3.20% | 2.60% | 2.90% | 2.70%
Europe, Middle East and Africa | Reportable Geographical Components |  |  |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |  |  |
Total product revenue | $ 23,929 | $ 25,729 | $ 81,887 | $ 74,125
Total product revenue, in percentage | 14.90% | 17.80% | 16.80% | 16.90%
Asia and Australia | Reportable Geographical Components |  |  |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |  |  |
Total product revenue | $ 16,630 | $ 13,657 | $ 46,815 | $ 38,226
Total product revenue, in percentage | 10.40% | 9.40% | 9.60% | 8.70%
United States | Reportable Geographical Components |  |  |  |
Analysis of Product Revenues Based upon the Geographic Area Shipped |  |  |  |
Total product revenue | $ 114,563 | $ 101,471 | $ 345,113 | $ 314,983
Total product revenue, in percentage | 71.50% | 70.20% | 70.70% | 71.70%

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_AmericasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_ReportableGeographicalComponentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_StatementGeographicalAxis=masi_SegmentGeographicalGroupOfCountriesGroupTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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