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: |