Derivative Financial Instruments (Details)				12 Months Ended	3 Months Ended					12 Months Ended
	Sep. 28, 2014 Not designated as hedging instruments item	Sep. 29, 2013 Not designated as hedging instruments item	Sep. 30, 2012 Not designated as hedging instruments item	Sep. 28, 2014 Foreign currency forward contracts and interest rate swap agreements Derivatives designated as hedging instruments USD ($)	Mar. 31, 2013 Foreign currency forward contracts USD ($) item	Jul. 03, 2011 Foreign currency forward contracts USD ($)	Jul. 03, 2011 Foreign currency forward contracts CAD	Apr. 04, 2010 Foreign currency forward contracts USD ($)	Apr. 04, 2010 Foreign currency forward contracts CAD	Sep. 28, 2014 Interest rate swap agreements Designated as cash flow hedges Derivatives designated as hedging instruments USD ($) item	Sep. 29, 2013 Interest rate swap agreements Designated as cash flow hedges Derivatives designated as hedging instruments USD ($) item	Sep. 28, 2014 Interest rate swap agreement bearing fixed rate 1.36% Designated as cash flow hedges Derivatives designated as hedging instruments USD ($)	Sep. 28, 2014 Interest rate swap agreement bearing fixed rate 1.34% Designated as cash flow hedges Derivatives designated as hedging instruments USD ($)	Sep. 28, 2014 Interest rate swap agreement bearing fixed rate 1.35% Designated as cash flow hedges Derivatives designated as hedging instruments USD ($)	Sep. 28, 2014 Interest rate swap agreement bearing fixed rate 1.23% Designated as cash flow hedges Derivatives designated as hedging instruments USD ($)	Sep. 28, 2014 Interest rate swap agreement bearing fixed rate 1.24% Designated as cash flow hedges Derivatives designated as hedging instruments USD ($)
Derivative financial instruments
Notional amount of each new foreign currency forward contract						$ 4,200,000	4,200,000	$ 3,900,000	4,200,000
Number of foreign currency forward contracts settled					1
Settlement amount of the foreign currency forward contract					3,900,000
Number of derivative agreements										2	3
Amount of effective portion of derivatives before tax effect										(200,000)	900,000
Amount expected to be reclassified from accumulated other comprehensive income to interest expense										(200,000)	900,000
Period of reclassification from accumulated other comprehensive income to interest expense										12 months
Notional Amount												50,609,000	50,609,000	50,609,000	25,305,000	25,305,000
Fixed Rate (as a percent)												1.36%	1.34%	1.35%	1.23%	1.24%
Amounts excluded from effectiveness testing				$ 0
Number of derivative instruments	0	0	0