Restructuring Restructuring (Narrative) (Details) (USD $)	3 Months Ended			9 Months Ended
	Jun. 30, 2012 employees	Mar. 31, 2012 employees	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Restructuring [Abstract]
Charges to operations	$ 4,126,000	$ 20,800,000	$ 0	$ 24,928,000	$ 0
Severance costs	4,500,000	20,000,000
Number of employees terminated	41	168
Other restructuring costs	(400,000)	800,000
Defined benefit plan, curtailments		$ 1,200,000