Fair Value Measurements Fair Value Measurements (Details) (USD $)	9 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Mar. 31, 2014	Sep. 29, 2013	Mar. 31, 2013	Dec. 30, 2012 Fair Value, Inputs, Level 3 [Member]	Feb. 18, 2009 Fair Value, Inputs, Level 3 [Member]	Jun. 29, 2014 1st Lien Agreement [Member]	Jun. 29, 2014 Senior Notes [Member] [Member]	Jun. 29, 2014 2nd Lien Agreement [Member]	Jun. 29, 2014 Senior Notes [Member] [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value								$ 234,262,000	$ 425,500,000	$ 157,406,000
Debt, Long-term and Short-term, Combined Amount	815,000,000			834,558,000							400,000,000
Loss (gain) on Sale of Investments	0	7,093,000
Obligations, Fair Value Disclosure						300,000	2,300,000
Warrant liability fair value		$ 16,351,000	$ 16,930,000		$ 16,930,000