Summary of Significant Accounting Policies - Additional Information (Details) - Customer	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015	Jan. 02, 2016
Disclosure Summary Of Significant Accounting Policies [Line Items]
Customer accounted percentage of net accounts receivable balance			10.00%		10.00%
Minimum
Disclosure Summary Of Significant Accounting Policies [Line Items]
Products warranty period			1 year
Maximum
Disclosure Summary Of Significant Accounting Policies [Line Items]
Products warranty period			2 years
Revenue, Total | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customer accounted for total revenues and net accounts receivable	0	0	0	0
Customer accounted percentage of total revenues	10.00%	10.00%	10.00%	10.00%
Accounts Receivable | Credit Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customer accounted for total revenues and net accounts receivable	0		0		0