Supplemental Disclosure of Cash Flow Information (Details) (USD $)	Sep. 28, 2013	Sep. 29, 2012
Supplemental Cash Flow [Line Items]
Fair value of assets acquired	$ 4,827,000	$ 30,659,000
Goodwill acquired	13,437,000	48,323,000
Cash paid, net of cash acquired	(17,013,000)	(57,597,000)
Liabilities assumed	1,251,000	21,385,000
Goodwill, purchase price adjustment		$ 3,800,000