Indebtedness and Interest Expense - Schedule of Debt Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017
Debt Instrument [Line Items]
One year or less	$ 7,600
Two years	7,600
Three years	7,600
Four years	708,700
Five years	255,000
Long-term debt, gross	986,500	$ 994,113
Amortization of debt issuance costs	(11,993)
Less: unamortized discount	(1,694)	$ (2,235)
Long-term debt	$ 972,813
Secured Credit Facilities, Bridge Loan Facility and Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period	5.60%	5.50%