Basis of Presentation (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Basis of Presentation [Abstract]
Amortization expense on capitalized computer software	$ 0.7	$ 0.4	$ 1.9	$ 1.1
Life of warranty obligations, minimum (in months)	12 months		12 months
Life of warranty obligations for sales, maximum (in months)	24 months		24 months
Number of previous months historical warranty claims used to calculate warranty expense percentage (in months)	12 months		12 months