XML 68 R57.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | $ 386.2 | $ 470.0
Japan [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | 74.0 | 229.1
China [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | 178.3 | 105.8
United States [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | 64.3 | 66.0
South Korea [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | 51.1 | 51.0
Taiwan [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | 14.8 | 17.9
Other [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Net revenue | $ 3.7 | $ 0.2

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_JP
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CN
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: |