Significant Accounting Policies - Adoption of New Accounting Standard (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 28, 2019
Financial Statement Line Item
Accounts receivable, net		$ 73,194		$ 75,639
Prepaid expenses and other current assets		64,650		69,192
Other assets, net		90,491		62,374
Other current liabilities		81,180		$ 79,551
Retained earnings		26,195	$ 2,216
ASU 2014-09 - Revenue from Contracts with Customers | Cumulative effect adjustment
Financial Statement Line Item
Accounts receivable, net		230
Prepaid expenses and other current assets		7,579
Other assets, net		(2,282)
Deferred revenue and returns liability		27,806
Deferred income on shipments to distributors		(50,115)
Other current liabilities		1,641
Retained earnings	$ 26,200	$ 26,195