Capital Assets (Property and Equipment) (Details) (USD $)	9 Months Ended
	Jun. 28, 2014	Sep. 28, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 207,677,000	$ 202,321,000
Less accumulated depreciation	(124,607,000)	(123,922,000)
Property and equipment, net	83,070,000	78,399,000
Goodwill	33,289,000	16,624,000
Change in goodwill	16,900,000
Land and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,713,000	1,713,000
Building and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	54,956,000	54,823,000
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 151,008,000	$ 145,785,000