Indebtedness and Interest Expense - Interest Expense (Details) - USD ($) $ in Thousands		3 Months Ended
		Apr. 02, 2017	Apr. 03, 2016
Debt Instrument [Line Items]
Amortization of debt issuance costs		$ 314
Interest Expense, Other Long-term Debt			$ (452)
Interest expense		17,061	17,061
Term Loan Facility [Member]
Debt Instrument [Line Items]
Interest Expense, Debt	[1]	7,608	8,157
Senior Notes [Member]
Debt Instrument [Line Items]
Interest Expense, Debt, Excluding Amortization		5,083	5,157
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
InterestExpenseSaleLeaseback		2,638	2,758
Capital Leases, Income Statement, Interest Expense		417	440
Sale Leaseback Obligations [Member]
Debt Instrument [Line Items]
InterestExpenseSaleLeaseback		$ 1,001
Amortization of debt issuance costs			$ 1,001
Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			4.70%
SecuredCreditFacilitiesAndSeniorNotes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period		5.50%
Secured Credit Facilities, Bridge Loan Facility and Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period			5.60%
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%

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