Noncontrolling Interests (Details) (USD $)	12 Months Ended									0 Months Ended	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	Sep. 27, 2014 Other Current Liabilities [Member]	Sep. 28, 2013 Other Current Liabilities [Member]	Sep. 29, 2012 Other Current Liabilities [Member]	Sep. 27, 2014 Redeemable Noncontrolling Interest [Member]	Sep. 28, 2013 Redeemable Noncontrolling Interest [Member]	Sep. 29, 2012 Redeemable Noncontrolling Interest [Member]	Aug. 22, 2014 Consolidated Entity with Noncontrolling Interest Purchased by Parent [Member]	Sep. 27, 2014 Consolidated Entity with Noncontrolling Interest Purchased by Parent [Member]
Noncontrolling Interests
Period from end of third quarter for required purchase of noncontrolling interest											30 days
Purchase of mandatorily redeemable noncontrolling interest holder's shares										$ 5,600,000
Contingent consideration in escrow for purchase of noncontrolling interest holder's shares	800,000
Changes in the liability and temporary equity attributable to redeemable NCIs
Balance at the beginning of the period				4,934,000	4,928,000		11,045,000	9,904,000	21,034,000
Disposition of noncontrolling interest				(4,752,000)					(10,331,000)
Redeemable noncontrolling interest reclassified to other long-term liabilities						4,708,000			(4,708,000)
Net income	896,000	871,000	872,000	344,000	462,000	60,000	552,000	409,000	812,000
Adjustment to redemption value				47,000	372,000	167,000	2,368,000	2,025,000	3,155,000
Cash distributions				(348,000)	(583,000)	(204,000)	(651,000)	(823,000)	(513,000)
Other comprehensive loss, net of tax				(225,000)	(245,000)	197,000	(874,000)	(470,000)	455,000
Purchase of noncontrolling interest				4,752,000					10,331,000
Balance at the end of the period					$ 4,934,000	$ 4,928,000	$ 12,440,000	$ 11,045,000	$ 9,904,000