Fair Value Measurements (Fair Value of Financial Instruments - Table) (Details) - Secured debt [Member] - Senior Secured Credit Facility [Member] - USD ($) $ in Thousands	Dec. 29, 2019	Dec. 30, 2018
Term loan A facility [Member] | Fair value, inputs, level 2 [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Loans payable	$ 450,563	$ 464,906
Term loan A facility [Member] | Reported value measurement [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Long-term debt, fair value	450,000	475,000
Revolving credit facility [Member] | Fair value, inputs, level 2 [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Loans payable	599,000	590,508
Revolving credit facility [Member] | Reported value measurement [Member]
Fair value, assets and liabilities measured on recurring and nonrecurring basis [Line Items]
Long-term debt, fair value	$ 599,000	$ 599,500