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Fair Value Measurements Fair Value Measurements (Details) - USD ($)	Jun. 28, 2015	Mar. 29, 2015	Sep. 28, 2014	Mar. 31, 2014	Mar. 30, 2014	Mar. 31, 2013	Feb. 18, 2009
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 745,000,000		$ 804,750,000
Warrant liability fair value	$ 11,119,800	$ 10,029,000	10,808,000	$ 16,930,000	$ 16,930,000	$ 16,930,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Obligations, Fair Value Disclosure			300,000				$ 2,300,000
1st Lien Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value			195,487,500
Senior Notes [Member] [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value			406,750,000
2nd Lien Agreement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term Debt, Fair Value			$ 159,375,000
Senior Notes [Member] [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 400,000,000