Acquisition - Sinmat (Details) - USD ($) $ in Thousands		6 Months Ended
	Jan. 10, 2020	Jun. 27, 2020	Jun. 29, 2019	Dec. 31, 2019
Business Combination, Separately Recognized Transactions [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 75,645	$ 49,267
Goodwill		$ 725,678		$ 695,044
Sinmat Acquisition
Business Combination, Separately Recognized Transactions [Line Items]
Date of acquisition		Jan. 10, 2020
Costs associated with acquisition		$ 700
Payments to acquire business	$ 76,200
Payments to Acquire Businesses, Net of Cash Acquired		75,600
Total purchase price, net of cash acquired	75,643	75,645
Trade accounts and notes receivable, net	1,189	1,189
Inventories, net	1,010	1,010
Other current assets	8	8
Property, Plant, and Equipment	63	63
Identifiable Intangible Assets	41,680	41,680
Right-of-use assets	1,712	1,712
Deferred tax assets	0	102
Accounts Payable and accrued liabilities	(58)	(58)
Short-term lease liabilities	(150)	(150)
Long-term lease liability	(1,562)	(1,562)
Net assets acquired	43,892	43,994
Goodwill	$ 31,751	$ 31,651
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	13 years 6 months
Sinmat Acquisition | Developed Technology
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable Intangible Assets	$ 7,650
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Sinmat Acquisition | Trademarks and Trade names
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable Intangible Assets	$ 130
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	1 year 3 months 18 days
Sinmat Acquisition | Customer Relationships
Business Combination, Separately Recognized Transactions [Line Items]
Identifiable Intangible Assets	$ 33,900
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years