Nature of Operations and Significant Accounting Policies - Revenue Recognition and Deferred Income (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Dec. 31, 2016
Deferred Revenue and Credits [Abstract]
Inventory valued at published list price and held by sell-through distributors with right of return	$ 74,788	$ 86,218
Allowance for distributor advances	(44,990)	(37,090)
Deferred cost of sales related to inventory held by sell-through distributors	(12,548)	(16,871)
Total Deferred income and allowances on sales to sell-through distributors	17,250	$ 32,257
Minimum
Deferred Revenue Arrangement [Line Items]
Unbilled receivables	5,000
Maximum
Deferred Revenue Arrangement [Line Items]
Unbilled receivables	$ 10,000