Debt (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 29, 2012 Rate	May 15, 2012	May 15, 2012 New Credit Facility [Member]	May 15, 2012 Revolving Loans New Credit Facility[Member]	Apr. 04, 2008 Revolving Loans Prior Credit Facility [Member]	May 15, 2012 Term Loans Prior Credit Facility [Member]	Apr. 04, 2008 Term Loans Prior Credit Facility [Member]	Dec. 29, 2012 Term Loans New Credit Facility [Member]	May 15, 2012 Term Loans New Credit Facility [Member]	May 15, 2012 Increase Option [Member]	Dec. 29, 2012 Senior Notes [Member]	Sep. 29, 2012 Senior Notes [Member]	Jan. 01, 2011 Senior Notes [Member] Rate
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity			$ 250	$ 160	$ 100
Credit facility outstanding at end of period						90.0	150.0	82.5	90.0
Contractual Quarterly Debt Repayment Amount		3.75
Contractual Balloon Debt Repayment		75
Line of Credit Facility, Maximum Borrowing Capacity				260						100
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	1.00%
Debt Instrument, Interest Rate at Period End	1.13%
Line of Credit, Unused Capacity, Commitment Fee Percentage at Period End	0.20%
Deferred Finance Costs, Net		0.9
Debt Instrument, Interest Rate, Stated Percentage													5.20%
Senior Notes, principal outstanding											$ 175	$ 175