Acquisition (Business Combination) (Details) (USD $)	3 Months Ended		0 Months Ended	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Oct. 02, 2012 Servigistics, Inc employees	Jun. 29, 2013 Servigistics, Inc	Dec. 29, 2012 Servigistics, Inc
Business Acquisition [Line Items]
Acquisition-related cost	$ 1,300,000	$ 4,600,000			$ 4,600,000
Total purchase price allocation, net of cash acquired	0	222,423,000	220,800,000
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
Tax benefit recorded to decrease valuation allowance in conjunction with business combination					$ 32,600,000