Property, Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 51,200	$ 49,300	$ 43,400
Impairment of assets	$ 2,451	716	$ 258
Land
Property, Plant and Equipment [Line Items]
Gain (loss) on disposal of property, plant and equipment		$ 1,000