XML 28 R73.htm IDEA: XBRL DOCUMENT
v3.2.0.727

Share-Based Compensation - Market Stock Units - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Jun. 27, 2015 | Jun. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period of the underlying awards |  | 3 years
Stock unit awards, performance adjustment | 46,712 |
Market stock units outstanding [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period of the underlying awards | 3 years |
Potential payout adjustment ratio | 200.00% |
Stock unit awards, performance adjustment | 46,712 |
Unrecognized share-based compensation cost | $ 5.8 |
Unrecognized share-based compensation, period for recognition | 10 months 24 days |
Market stock units outstanding [Member] | Fiscal 2013 MSU Grants [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
SOX Index TSR percentage points | 130.00% |
Percentage of targeted shares, MSU grants | 200.00% |
Stock unit awards, performance adjustment | 19,800 |
Shares withheld to meet statutory minimum tax withholding requirements | 19,882 |
Shares valued withheld to meet statutory minimum tax withholding requirements | $ 1.2 |
Market stock units outstanding [Member] | Fiscal 2014 MSU Grants [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
SOX Index TSR percentage points | 66.00% |
Percentage of targeted shares, MSU grants | 200.00% |
Stock unit awards, performance adjustment | 26,912 |
Shares withheld to meet statutory minimum tax withholding requirements | 28,001 |
Shares valued withheld to meet statutory minimum tax withholding requirements | $ 1.8 |
Market stock units outstanding [Member] | Minimum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Potential payout range | 0.00% |
Market stock units outstanding [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Potential payout range | 200.00% |
Market stock units outstanding [Member] | Share-based Compensation Award, Tranche One [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period of the underlying awards | 1 year |
Market stock units outstanding [Member] | Share-based Compensation Award, Tranche One [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Potential payout range | 100.00% |
Market stock units outstanding [Member] | Share-based Compensation Award, Tranche Two [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period of the underlying awards | 2 years |
Market stock units outstanding [Member] | Share-based Compensation Award, Tranche Two [Member] | Maximum [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Potential payout range | 100.00% |
Market stock units outstanding [Member] | Share-based Compensation Award, Tranche Three [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period of the underlying awards | 3 years |
Market Stock Units Outstanding [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Potential payout range | 100.00% |
Closing price of common stock used to calculate Aggregate intrinsic value of stock option outstanding | $ 86.32 |

X
- Definition Delivery of targeted shares in percentage delivered by entity. + References No definition available. + Details
Name: | syna_DeliveryOfTargetedSharesInPercentageDeliveredByEntity
Namespace Prefix: | syna_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of potential payout. + References No definition available. + Details
Name: | syna_PercentageOfPotentialPayout
Namespace Prefix: | syna_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Potential payout adjustment ratio. + References No definition available. + Details
Name: | syna_PotentialPayoutAdjustmentRatio
Namespace Prefix: | syna_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award equity instruments other than options adjustments for performance results attained. + References No definition available. + Details
Name: | syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdjustmentsForPerformanceResultsAttained
Namespace Prefix: | syna_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation arrangement by share based payment award intrinsic value closing price. + References No definition available. + Details
Name: | syna_ShareBasedCompensationArrangementByShareBasedPaymentAwardIntrinsicValueClosingPrice
Namespace Prefix: | syna_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition TSR increase in percentage points. + References No definition available. + Details
Name: | syna_TsrIncreaseInPercentagePoints
Namespace Prefix: | syna_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References No definition available. + Details
Name: | us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=syna_MarketStockUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=syna_FiscalTwoThousandThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardDateAxis=syna_FiscalTwoThousandFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=syna_MarketStockUnitAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |