(6) Fair Value of Financial Instruments Fair Value of Financial Instruments, Fair Value Measure on Recurring Basis (Details) (Interest Rate Swap [Member], Designated as Hedging Instrument [Member], Fair Value Hedging [Member], Fair Value, Measurements, Recurring [Member], USD $) In Thousands	Oct. 02, 2011
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	$ 13,014
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	13,014
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	$ 0