Restructuring, Reorganization, Relocation and Severance (Details) (USD $)	3 Months Ended				6 Months Ended		3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Mar. 30, 2014 Group Structure Reorganization [Member]	Dec. 31, 2012 Group Structure Reorganization [Member]	Jun. 30, 2013 Group Structure Reorganization [Member]	Mar. 30, 2014 First Quarter 2014 Restructuring Plan [Member]	Mar. 30, 2014 First Quarter 2014 Restructuring Plan [Member]	Mar. 30, 2014 Group Structure Reorganization [Member]	Mar. 31, 2013 Group Structure Reorganization [Member]
Restructuring Cost and Reserve [Line Items]
Actual savings anticipated by restructuring activity						$ 1,800,000
Restructuring, reorganization, relocation and severance	1,331,000	695,000		2,900,000	1,100,000		1,331,000	0	695,000
Restructuring Reserve [Roll Forward]
Beginning accrued liability	50,000	2,692,000					0	50,000	2,692,000
Charged to expense, net	1,331,000	695,000		2,900,000	1,100,000		1,331,000	0	695,000
Expenditures	(484,000)	(511,000)					(484,000)	0	(511,000)
Write-offs and adjustments		(80,000)							(80,000)
Ending accrued liability	897,000	2,796,000					847,000	50,000	2,796,000
Expected additional cost of restructuring plan			0
Expected total cost of restructuring plan					$ 4,000,000