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Note 13 (Details) - Changes to the Components of Other Comprehensive Loss (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance $ (5,988)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax $ (5,930)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Other comprehensive loss before reclassifications (4,093)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax 108us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
Amounts reclassified from accumulated other comprehensive income 216us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax 261us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
Ending Balance (9,865)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (5,561)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Accumulated Translation Adjustment [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (4,632)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
(3,703)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
Other comprehensive loss before reclassifications (1,955)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
(104)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
Ending Balance (6,587)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
(3,807)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedTranslationAdjustmentMember
Accumulated Net Unrealized Investment Gain (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning Balance (1,356)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
(2,227)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
Other comprehensive loss before reclassifications (2,138)us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
212us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
Amounts reclassified from accumulated other comprehensive income 216us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
261us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
Ending Balance $ (3,278)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
$ (1,754)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember