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Noncontrolling Interests (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Changes in the liability and temporary equity attributable to redeemable NCIs    
Balance at the beginning of the period $ 12,440us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount  
Net income 100us-gaap_NetIncomeLossAttributableToNoncontrollingInterest 248us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Adjustment to redemption value (228)us-gaap_MinorityInterestChangeInRedemptionValue  
Cash distributions (141)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders  
Other comprehensive loss (505)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest  
Balance at the end of the period $ 11,666us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount