XML 74 R61.htm IDEA: XBRL DOCUMENT v3.7.0.1

Long Lived Assets by Geographical Areas (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 242,175	$ 225,167
Concentration Risk, Long-lived Asset Geographic Area, Percentage	100.00%	100.00%
Reportable Geographical Components [Member] | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 232,208	$ 216,784
Concentration Risk, Long-lived Asset Geographic Area, Percentage	95.90%	96.30%
Reportable Geographical Components [Member] | International
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-Lived Assets	$ 9,967	$ 8,383
Concentration Risk, Long-lived Asset Geographic Area, Percentage	4.10%	3.70%

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

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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&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:	us-gaap_ConsolidationItemsAxis=us-gaap_ReportableGeographicalComponentsMember
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:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_NonUsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: