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Nonrecurring (Income) Expense, Net (Details) (USD $)	6 Months Ended
	Jul. 03, 2011 Customers
Nonrecurring (Income) Expense, Net (Textual) [Abstract]
Recognized gain regarding prior volume with one of its customers	$ 3,000,000
Number of customers related to prior period settlement	1

X

- Definition

Gain loss related prior period settlement.

+ References

No definition available.

+ Details

Name:	sypr_GainLossRelatedPriorPeriodSettlement
Namespace Prefix:	sypr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	sypr_NonrecurringIncomeExpenseNetTextualAbstract
Namespace Prefix:	sypr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of customers related to prior period settlement.

+ References

No definition available.

+ Details

Name:	sypr_NumberOfCustomersRelatedToPriorPeriodSettlement
Namespace Prefix:	sypr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration