Equity Investments (Details) (AIM Services Co., Ltd, USD $)	3 Months Ended		6 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Mar. 29, 2013	Mar. 30, 2012	Sep. 28, 2012
AIM Services Co., Ltd
Schedule of Equity Method Investments [Line Items]
Ownership interest in AIM Services Co., Ltd.	50.00%		50.00%
Equity method investments	$ 193,500,000		$ 193,500,000		$ 233,400,000
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Sales	414,571,000	475,894,000	895,472,000	960,096,000
Gross profit	45,665,000	51,695,000	102,405,000	110,339,000
Net income	5,978,000	6,763,000	15,380,000	17,595,000
Equity in undistributed earnings net of amortization to purchase accounting	$ 1,300,000	$ 2,300,000	$ 5,200,000	$ 6,700,000