Acquisition of CEC Entertainment, Inc. - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Business Acquisition [Line Items]
Transaction and severance costs	$ 191	$ 490	$ 725	$ 570

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