Debt (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 28, 2018	Dec. 29, 2017
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	$ (16,466)	$ (33,278)
Total debt	925,507	1,609,165
Current portion of long-term debt	(37,500)	(30,469)
Long-term debt	888,007	1,578,696
Loans Payable [Member] \| Secured Debt [Member] \| Term Loan A (TLA) Facility [Member]
Debt Instrument [Line Items]
Long-term debt, gross	304,687	335,157
Loans Payable [Member] \| Secured Debt [Member] \| Term Loan B (TLB) Facility [Member]
Debt Instrument [Line Items]
Long-term debt, gross	632,286	873,286
Loans Payable [Member] \| Secured Debt [Member] \| 9.125% Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	0	360,000
Revolving Credit Facility [Member] \| Secured Debt [Member] \| New Revolving Credit Facility 2015 [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 5,000	$ 74,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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