Restructuring Activities (Narrative) (Details) (USD $) In Millions, except Per Share data	6 Months Ended		3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 01, 2011 Foreign Country [Member] International Facility [Member]	Sep. 30, 2010 International Subsidiary [Member]	Sep. 30, 2010 International Subsidiary [Member] International Facility [Member]	Jul. 01, 2011 Green River Victorville Facilities [Member]	Jul. 01, 2011 Victorville Facility [Member]	Jul. 01, 2011 International Facility [Member]
Facilities closed			one	two
Restructuring charges incurred during period							$ 0.8
Cumulative restructuring costs incurred to date	17.0	1.4
Costs paid or settled	1.0	1.3
Expected investment in capital expenditure, total						30
Expected investment in capital expenditure current year						11
Expected investment in transition expenses					$ 8
Current expected project expenses per share					$ 0.02
Future expected project expenses per share					$ 0.02