Equity Investments (Details) (AIM Services Co., Ltd, USD $)	3 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Sep. 28, 2012
AIM Services Co., Ltd
Schedule of Equity Method Investments [Line Items]
Ownership interest in AIM Services Co., Ltd.	50.00%
Equity method investments	$ 215,800,000		$ 233,400,000
Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]
Sales	480,901,000	484,202,000
Gross profit	56,740,000	58,644,000
Net income	9,402,000	10,832,000
Equity in undistributed earnings net of amortization to purchase accounting	$ 3,900,000	$ 4,400,000