Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Detail)	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefit	3.80%	3.80%	3.80%
Change in net deferred tax liability related to U.S. tax reform	(31.10%)
Excess stock-based compensation tax benefits	(4.60%)
Domestic manufacturing deduction	(2.50%)	(1.80%)	(2.20%)
Research activities credits	(0.20%)	(2.80%)
Florida jobs creation incentive credits	(0.50%)	(0.60%)	(2.00%)
Change in valuation allowance on deferred tax assets		(0.20%)	0.30%
Non-deductible expenses	0.50%	0.20%	0.20%
Reversal of intraperiod tax allocation			4.10%
Other	(0.20%)	(0.40%)	0.20%
Total statutory federal income tax rate	0.20%	33.20%	39.40%