XML 21 R73.htm IDEA: XBRL DOCUMENT v3.2.0.727

Business Segment, Geographic Area, Product and Significant Customer Information - Worldwide Net Revenue for Each Group of Products (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue from External Customer [Line Items]
Net sales from product groups	$ 217,966	$ 184,697	$ 431,805	$ 391,050
Instruments, Control and Vacuum Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	110,441	90,250	220,877	191,907
Power and Reactive Gas Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	92,977	79,360	181,476	169,962
Analytical Solutions Products [Member]
Revenue from External Customer [Line Items]
Net sales from product groups	$ 14,548	$ 15,087	$ 29,452	$ 29,181

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_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales 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)



-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ProductOrServiceAxis=mksi_InstrumentsControlAndVacuumProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=mksi_PowerAndReactiveGasProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ProductOrServiceAxis=mksi_AnalyticalSolutionsGroupProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: