Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 03, 2021 USD ($) Customer	Jun. 27, 2020 Customer	Jul. 03, 2021 USD ($) Customer	Jun. 27, 2020 USD ($) Customer	Jan. 02, 2021 Customer
Disclosure Summary Of Significant Accounting Policies [Line Items]
Service contract warranty period			1 year
Service contract, period to determine nature of sale			60 days
Arrangement fee			$ 2.0
Arrangement expiration period			9 months
Fair value of distribution right			$ 14.8
Arrangement fee			3.4
Customer deposit			1.4
Deferred revenue recognized			0.7	$ 0.6
Non-current portion of deferred revenue pertains to exclusivity fee deferred revenue	$ 10.2		10.2
Current portion of deferred revenue pertains to exclusivity fee deferred revenue	$ 1.1		$ 1.1
Products warranty period			2 years
Revenue, Total | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer	1	0	1	1
Accounts Receivable | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases	10.00%				10.00%
Percentage of accounts receivable accounted	16.00%		11.00%	12.00%	13.00%
Accounts Receivable | Credit Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer	2				1
Revenue, Total | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases	10.00%	10.00%	10.00%	10.00%
Percentage of accounts receivable accounted	15.00%		12.00%
Distribution Rights [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Revenue Recognized	$ 0.1		$ 0.1
Royalty Agreements
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer			2