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Accrued Expenses (Details) - USD ($)
$ in Millions
Dec. 27, 2018
Dec. 28, 2017
Payables and Accruals [Abstract]    
Make-good reserve $ 8.0 $ 5.5
Accrued interest 10.3 11.6
Deferred rent 0.2 0.8
Other accrued expenses 3.2 2.0
Total accrued expenses $ 21.7 $ 19.9