Restructuring Charges (Narrative) (Details) $ in Thousands	3 Months Ended
	Jan. 02, 2016 USD ($) employee	Jan. 03, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Expected restructuring charges	$ 50,000
Charge to operations	37,147	$ (255)
Employee Severance and Related Benefits
Restructuring Cost and Reserve [Line Items]
Charge to operations	36,961
Facility Closures and Related Costs
Restructuring Cost and Reserve [Line Items]
Charge to operations	$ 186
Q116 plan [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | employee	432
Q116 plan [Domain] | Employee Severance and Related Benefits
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 36,800
Q215 plan [Domain] | Employee Severance and Related Benefits
Restructuring Cost and Reserve [Line Items]
Severance Costs	$ 200