Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Trade accounts payable	$ 35,350	$ 37,800
Liability for non-cancelable contracts	4,531	5,744
Payable to members of the MHL and HDMI consortia	87	9,698
Other accrued expenses	14,437	27,691
Total accounts payable and accrued expenses	$ 54,405	$ 80,933