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Stock Based Compensation (Details Textual)
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3 Months Ended |
12 Months Ended |
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12 Months Ended |
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Dec. 28, 2013
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Dec. 27, 2014
USD ($)
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Dec. 28, 2013
USD ($)
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Dec. 29, 2012
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Dec. 27, 2014
Director Equity Plan [Member]
USD ($)
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Dec. 28, 2013
Director Equity Plan [Member]
USD ($)
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Dec. 27, 2014
2006 Stock Option Plan [Member]
Awards
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Dec. 27, 2014
2006 Stock Option Plan [Member]
Maximum [Member]
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Dec. 27, 2014
2001 Restricted Stock Plan [Member]
USD ($)
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Dec. 28, 2013
2001 Restricted Stock Plan [Member]
USD ($)
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Dec. 27, 2014
Equity Incentive Plan (2011 Plan) [Member]
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Dec. 27, 2014
Employee Stock Purchase Plan [Member]
USD ($)
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Dec. 28, 2013
Employee Stock Purchase Plan [Member]
USD ($)
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Dec. 27, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
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Dec. 27, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
United States [Member]
USD ($)
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Dec. 27, 2014
Employee Stock Purchase Plan [Member]
Minimum [Member]
United Kingdom [Member]
GBP (£)
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Dec. 27, 2014
Employee Stock Purchase Plan and U.K. Plan [Member]
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Dec. 27, 2014
Nonemployee Director Equity and Deferred Compensation Plan [Member]
USD ($)
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| Stock Option Plans (Textual) [Abstract] |
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| Shares available for issuance |
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25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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1,125,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = snhy_TwoThousandAndSixStockOptionPlanMember
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928,125us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = snhy_TwoThousandAndOneStockOptionPlanMember
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222,749us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = snhy_NonemployeeDirectorEquityAndDeferredCompensationPlanMember
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| Exercise price per share not less than fair value percent |
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110.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent / us-gaap_AwardTypeAxis = snhy_TwoThousandAndSixStockOptionPlanMember
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| Exercise price per share more than voting stock |
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10.00%snhy_ExercisePricePerShareMoreThanVotingStock / us-gaap_AwardTypeAxis = snhy_TwoThousandAndSixStockOptionPlanMember
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| Stock options maximum term (in years) |
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10 years
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| Number of awards granted under 2006 plan |
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0snhy_ShareBasedCompensationArrangementByShareBasedPaymentNumberOfAwardsGrantedUnderPlan / us-gaap_AwardTypeAxis = snhy_TwoThousandAndSixStockOptionPlanMember
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| Minimum period before shares become non-forfeitable (in months) |
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6 months
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| Plan Expiration year |
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2011
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| Aggregate shares of restricted stock grant |
103,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
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90,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
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89,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
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1,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = snhy_EquityIncentivePlanTwoThousandAndElevenPlanMember
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1,096,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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| Remaining number of shares to be issued |
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270,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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732,062us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = snhy_EquityIncentivePlanTwoThousandAndElevenPlanMember
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653,393us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized / us-gaap_AwardTypeAxis = snhy_EmployeeStockPurchasePlanAndUnitedKingdomPlanMember
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| Restricted stock expense |
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$ 2,961,000us-gaap_RestrictedStockExpense / us-gaap_AwardTypeAxis = snhy_TwoThousandAndOneStockOptionPlanMember
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$ 2,234,000us-gaap_RestrictedStockExpense / us-gaap_AwardTypeAxis = snhy_TwoThousandAndOneStockOptionPlanMember
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| Total unrecognized compensation |
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5,600,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
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| Recognized weighted average period (in years) |
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1 year 8 months 45 days
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| Rate of common stock at market value |
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85.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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| Ratio for additional common stock shares issued, under ESPP |
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6snhy_EmployeeStockPurchasePlanIssueOfAdditionalCommonStockSharesRatio
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| Shares allowed to be purchased by U.S. employees and U.K. employees |
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25,000snhy_ShareBasedCompensationCommonStockAllowedToPurchaseOnMarketValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = country_US
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1,500snhy_ShareBasedCompensationCommonStockAllowedToPurchaseOnMarketValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementBusinessSegmentsAxis = country_GB
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| Allowable purchase rate of common stock based on annual salary |
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10.00%snhy_ShareBasedCompensationAllowablePurchaseRateOfCommonStockBasedOnAnnualSalary / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember / us-gaap_RangeAxis = us-gaap_MinimumMember
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| Number of shares purchased by employees |
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25,238snhy_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPurchased / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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34,653snhy_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPurchased / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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| Weighted average price |
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$ 33.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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$ 24.80us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerShareWeightedAveragePriceOfSharesPurchased / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockMember
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| Share based Compensation Expenses |
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173,000us-gaap_EmployeeBenefitsAndShareBasedCompensation
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206,000us-gaap_EmployeeBenefitsAndShareBasedCompensation
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| Stock option granted, shares |
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17,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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16,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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375us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = snhy_NonemployeeDirectorEquityAndDeferredCompensationPlanMember
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| Cash fees paid |
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3,000us-gaap_DeferredCompensationArrangementWithIndividualDistributionsPaid / us-gaap_AwardTypeAxis = snhy_NonemployeeDirectorEquityAndDeferredCompensationPlanMember
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| Fee for the chairs of each Board committee |
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125.00%snhy_RateOfAdditionalFeesReceivedBasedOnNormalCompensation / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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25.00%snhy_RateOfAdditionalFeesReceivedBasedOnNormalCompensation / us-gaap_AwardTypeAxis = snhy_NonemployeeDirectorEquityAndDeferredCompensationPlanMember
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| Deferred stock units outstanding |
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0us-gaap_DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
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| Common stock shares for each nonemployee director |
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500us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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| Share based Compensation Expenses under Director's plan |
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$ 677,000us-gaap_StockOptionPlanExpense / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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$ 592,000us-gaap_StockOptionPlanExpense / us-gaap_PlanNameAxis = snhy_DirectorEquityPlanMember
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