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Indebtedness and Interest Expense - Schedule of Debt (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014	Feb. 19, 2014
Successor [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,009,402	$ 1,011,313
Unamortized original issue discount	(3,192)	(3,327)
Current portion	(9,545)	(9,545)
Bank indebtedness and other long-term debt, less current portion	996,665	998,441
Term Loan Facility [Member] \| Successor [Member]
Debt Instrument [Line Items]
Long-term debt, gross	754,300	756,200
Revolving Credit Facility [Member] \| Successor [Member]
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Senior Notes [Member] \| Successor [Member]
Debt Instrument [Line Items]
Long-term Debt	255,000
Long-term debt, gross		255,000
Notes Payable, Other Payables [Member] \| Successor [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 102	$ 113
Senior Notes due 2022 [Member] \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			8.00%