Cost Method Investment and Collaborative Arrangement (Details) - USD ($)	3 Months Ended			9 Months Ended	12 Months Ended		39 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Oct. 01, 2016	Dec. 31, 2018	Dec. 28, 2019	Jan. 02, 2016	Mar. 31, 2018
Schedule of Cost-method Investments [Line Items]
Investment made during fiscal year			$ 1,000,000			$ 5,000,000
Ownership interest percentage						22.70%
Gross investments amount			$ 6,000,000
Decrease of cost method investment							$ (3,700,000)
Beginning balance	$ 2,300,000						2,300,000
Maximum loss exposure amount	3,800,000						3,800,000
Cost method investments, fair value	2,300,000						2,300,000
Prepaid royalties	1,500,000						1,500,000
Impairment of cost-method investment	0	$ 339,000
Payments for royalties	900,000
Forecast
Schedule of Cost-method Investments [Line Items]
Payments for royalties				$ 2,625,000	$ 5,000,000
Prepaid Expenses and Other Current Assets
Schedule of Cost-method Investments [Line Items]
Prepaid royalties	200,000						200,000
Other Long-term Assets
Schedule of Cost-method Investments [Line Items]
Prepaid royalties	$ 1,300,000						$ 1,300,000