Restructuring and Other Charges (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 03, 2014	Sep. 27, 2013	Sep. 28, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 0.3	$ 6.4	$ 7.8
Employee Severance [Member] | AATI [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges			5.8
Facility Closings [Member] | AATI [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges			0.6
FY13 Restructuring Programs [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ 0.3	$ 6.4