Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Income Taxes [Line Items]
Income tax provision percentage	35.00%
Decrease in current and noncurrent deferred income tax asset and liabilities		$ 37,200
Gross amount of unrecognized tax benefits	$ 1,754	727	$ 2,107	$ 4,809
Unrecognized tax benefits that would impact effective tax rate	1,800
Unrecognized tax benefit, accrued interest	200	$ 100
Domestic Tax Authority
Income Taxes [Line Items]
Federal net operating loss carryforwards	7,200
Federal capital loss carryforwards	4,100
State and Local Jurisdiction
Income Taxes [Line Items]
State net operating loss carryforwards	5,700
Credit carryforwards	$ 2,600
Operating loss carryforwards expiration year	Through fiscal 2035
Unrecognized tax benefits that would impact effective tax rate	$ 600