Components of Deferred Tax Assets and (Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Income Tax Disclosure [Abstract]
Self-insurance	$ 5,208	$ 4,972
Compensation and employee benefits	8,718	8,836
Deferred income	8,867	8,705
Loss and credit carryforwards	14,027	13,453
Equity-based compensation	4,646	6,831
Hedging	1,397	2,754
Pension and postretirement benefits	10,764	13,344
Other	9,639	9,657
Deferred tax assets valuation allowance	(364)	(111)
Deferred tax assets	62,902	68,441
Depreciation	(59,294)	(47,552)
Intangibles	(104,380)	(101,890)
Other	(1,886)	(1,975)
Deferred tax liabilities	(165,560)	(151,417)
Net deferred tax liability	$ (102,658)	$ (82,976)