Summary of Significant Accounting Policies Principles of Consolidation (Details)	Apr. 01, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Percentage of Common Stock Purchased	60.00%

Purchase of remaining interest in equity investee.

No definition available.

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Namespace Prefix:	snhy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant