Fair Value Measurements Fair Value Measurements (Details) - USD ($)	Dec. 27, 2015	Sep. 27, 2015	Mar. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 703,996,000	$ 725,872,000
Warrant liability fair value	4,167,000	4,240,000	$ 16,930,000
1st Lien Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	167,000,000
Senior Notes [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	358,000,000
Debt, Long-term and Short-term, Combined Amount	395,000,000	$ 400,000,000
2nd Lien Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value	$ 144,000,000