Indebtedness and Interest Expense - Interest Expense (Details) - USD ($) $ in Thousands		3 Months Ended
		Apr. 03, 2016	Mar. 29, 2015	Feb. 14, 2014
Debt Instrument [Line Items]
Amortization of debt issuance costs		$ 1,001	$ 1,001
Interest Expense, Other Long-term Debt		(452)	(196)
Interest expense		17,061	17,499
Term Loan Facility [Member]
Debt Instrument [Line Items]
Interest Expense, Debt	[1]	8,157	7,907
Senior Notes [Member]
Debt Instrument [Line Items]
Interest expense, excluding amortization		5,157	5,157
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Capital Leases, Income Statement, Interest Expense		440	455
Sale Leaseback Obligations [Member]
Debt Instrument [Line Items]
InterestExpenseSaleLeaseback		$ 2,758	$ 2,783
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | The Senior Secured Credit Facilities [Member]
Debt Instrument [Line Items]
Debt Instrument, Additional Margin on Basis Spread of Variable Rate				3.25%

[1] Includes amortization of original issue discount.