Acquisition (Business Combination) (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Oct. 02, 2012 Servigistics, Inc employees	Jun. 29, 2013 Servigistics, Inc	Jun. 29, 2013 Servigistics, Inc	Sep. 30, 2012 Revolving Loan Servigistics, Inc
Business Acquisition [Line Items]
Total purchase price allocation, net of cash acquired			$ 220,817,000	$ 1,170,000	$ 220,818,000
Cash received as final purchase price adjustment						1,600,000
Cash acquired from acquisition					1,400,000
Annualized revenue reported by acquired entity					80,000,000
Number of employees of acquiree					400
Revolving credit facility, additional borrowings to finance acquisition								230,000,000
Revenue of acquirees since acquisition dates, actual						22,500,000	68,000,000
Acquisition-related cost	$ 900,000	$ 0	$ 7,600,000	$ 2,500,000