Derivative Financial Instruments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Derivative [Line Items]
Net gain (loss) on foreign currency forwards	$ 4,105	$ 2,249
Cash Flow Hedge Ineffectiveness is Immaterial	not material	not material	not material
Foreign Exchange Contract [Member]
Derivative [Line Items]
Notional Amount, Derivatives	43,548
Derivative, Maturity Date	May 27, 2016
Interest Rate Swaps [Member]
Derivative [Line Items]
Notional Amount, Derivatives	320,000
Applicable margin included in conversion rate of interest rate swaps, basis points	138
Conversion rate of interest rate swaps	2.00%
Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Notional Amount, Derivatives	$ 206,396
Minimum [Member] | Interest Rate Swaps [Member]
Derivative [Line Items]
Derivative, Maturity Date	Jan. 15, 2015
Maximum [Member] | Interest Rate Swaps [Member]
Derivative [Line Items]
Derivative, Maturity Date	Jun. 05, 2017