Debt, Capital Lease Obligations And Other Financing (Narrative) (Details) (USD $)	12 Months Ended				12 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012	May 15, 2012	Sep. 27, 2014 Revolving Loans New Credit Facility [Member]	Sep. 27, 2014 Term Loans New Credit Facility [Member] Rate	Sep. 28, 2013 Term Loans New Credit Facility [Member]	May 15, 2012 Term Loans New Credit Facility [Member]	Sep. 27, 2014 Increase Option [Member]	Apr. 04, 2008 Term Loans Prior Credit Facility [Member]	Sep. 27, 2014 Senior Notes [Member] Rate	Sep. 28, 2013 Senior Notes [Member]
Debt Instrument, Face Amount	$ 235,000,000			$ 250,000,000
Line of Credit Facility, Current Borrowing Capacity					90,000,000			160,000,000
Line Of Credit Facility Maximum Borrowing Capacity					335,000,000				100,000,000
Credit facility outstanding at end of period							75,000,000			150,000,000
Proceeds from Issuance of Debt	281,000,000	30,000,000	89,082,000
Debt Issuance Cost	200,000
Amortization of Financing Costs	900,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	1.00%
Principal repayments of term loan							3,800,000
Balloon repayment						75,000,000
LIBOR rate plus						1.125%
Rate of current fee					0.20%
Debt instrument interest rate											5.20%
Senior Notes											175,000,000	175,000,000
Debt Instrument, Interest Rate Terms						LIBOR + 1.125%
Cash paid for interest	$ 12,700,000	$ 12,900,000	$ 16,400,000