Interest Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 26, 2013	Dec. 27, 2012
Interest Income (Expense), Net [Abstract]
Interest on long-term debt, including amortization of deferred financing costs	$ 9,933	$ 11,058
Interest on lease finance obligations	10,988	11,143
Amortization of terminated interest rate swaps	161	161
Amortization of debt discount	91	515
Miscellaneous	199	224
Interest expense	21,372	23,101
Interest expense, net	$ 21,372	$ 23,101