Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended		3 Months Ended
	Mar. 29, 2014 Rate	Mar. 30, 2013 Rate	Mar. 29, 2014 Rate	Mar. 30, 2013 Rate	Jun. 29, 2013 Interest Rate Swaps [Member]
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income tax expense	$ (1,244,000)	$ 1,956,000	$ 919,000	$ 3,026,000
Effective tax rates	(7.20%)	9.80%	2.50%	8.00%
Derivatives And Fair Value Measurements [Line Items]
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)					2,000,000
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	$ 3,700,000