XML 68 R57.htm IDEA: XBRL DOCUMENT v3.7.0.1

Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 444.2	$ 402.5	$ 1,291.7	$ 1,343.0
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	227.5	152.6	634.7	384.4
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	118.9	111.6	316.6	581.3
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	50.8	90.0	172.1	207.3
South Korea [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	24.6	33.8	103.9	122.0
Taiwan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	14.9	12.8	48.3	45.8
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenue	$ 7.5	$ 1.7	$ 16.1	$ 2.2

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

- 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=63488584&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_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

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

X

- Details

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