Noncontrolling Interests (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 24, 2012	Mar. 30, 2013	Mar. 24, 2012
Changes in the liability and temporary equity attributable to redeemable NCIs
Net income	$ 150	$ 232	$ 512	$ 500
Liability attributable to mandatorily redeemable noncontrolling interests
Changes in the liability and temporary equity attributable to redeemable NCIs
Balance at the beginning of the period			4,928
Net income			267
Adjustment to redemption value			448
Cash distributions			(199)
Other comprehensive loss			(177)
Balance at the end of the period	5,267		5,267
Equity attributable to redeemable noncontrolling interests
Changes in the liability and temporary equity attributable to redeemable NCIs
Balance at the beginning of the period			9,904
Net income			245
Adjustment to redemption value			1,219
Cash distributions			(350)
Other comprehensive loss			(334)
Balance at the end of the period	$ 10,684		$ 10,684