Restructuring and Impairment Costs (Details) (USD $)	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 100,000	$ 0
Restructuring Charges	11,280,000	0	0
Restructuring Reserve, Accrual Adjustment	(11,100,000)
Fixed Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Charges	3,200,000
Restructuring Reserve, Accrual Adjustment	(3,200,000)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	100,000	0
Restructuring Charges	3,200,000
Restructuring Reserve, Accrual Adjustment	(3,000,000)
Lease Obligations and Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	0
Restructuring Charges	4,900,000
Restructuring Reserve, Accrual Adjustment	$ (4,900,000)