v2.4.1.9

Commitments and Contingencies Re-insurance losses on claims on individual basis (Details) (USD $) | 12 Months Ended
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Dec. 27, 2014
Commitments and Contingencies Disclosure [Abstract] |
Reinsurance Purchased For Stop Losses On Individual Basis | $ 155 snhy_ReinsurancePurchasedForStopLossesOnIndividualBasis
Reinsurance Purchased For Stop Losses on Aggregate Basis | $ 7,200 snhy_ReinsurancePurchasedForStopLossesonAggregateBasis

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- Definition Reinsurance Purchased For Stop Losses on Aggregate Basis + References No definition available. + Details
Name: | snhy_ReinsurancePurchasedForStopLossesonAggregateBasis
Namespace Prefix: | snhy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reinsurance Purchased For Stop Losses On Individual Basis + References No definition available. + Details
Name: | snhy_ReinsurancePurchasedForStopLossesOnIndividualBasis
Namespace Prefix: | snhy_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration