v2.3.0.15

Restructuring (Details) (USD $)	12 Months Ended
	Sep. 30, 2011	Sep. 24, 2010	Sep. 25, 2009
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated	55	60
Asset impairment charges		$ 9,594,000
Restructuring charges	3,406,000	7,026,000	4,847,000
Restructuring reserve, beginning balance	3,034,000	1,211,000
Restructuring charges	3,406,000	7,026,000
Cash payments	(3,847,000)	(1,653,000)
Non-cash charges	(223,000)	(3,550,000)
Restructuring reserve, ending balance	2,370,000	3,034,000	1,211,000
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Recorded severance and other associated costs	2,500,000	3,900,000
Restructuring reserve, beginning balance	2,804,000	1,103,000
Restructuring charges	3,185,000	3,084,000
Cash payments	(3,716,000)	(1,383,000)
Non-cash charges	(23,000)
Restructuring reserve, ending balance	2,250,000	2,804,000
Facilities And Contract Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	800,000
Restructuring reserve, beginning balance		88,000
Cash payments		(88,000)
Fixed Assets Write-Off [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	400,000
Recorded severance and other associated costs	200,000
Restructuring charges	199,000	3,392,000
Non-cash charges	(199,000)	(3,392,000)
Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve, beginning balance	230,000	20,000
Restructuring charges	22,000	550,000
Cash payments	(131,000)	(182,000)
Non-cash charges	(1,000)	(158,000)
Restructuring reserve, ending balance	120,000	230,000
Severance And Other Associated Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	900,000
Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,100,000
Asset impairment charges		$ 3,400,000

X

- Definition

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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