Recent Accounting Pronouncements - Summary of Impact to Condensed Consolidated Statements of Cash Flows at Adoption (Detail) - USD ($) $ in Thousands		4 Months Ended
		Apr. 22, 2017	Apr. 23, 2016
CASH FLOWS PROVIDED BY (DISBURSED FOR) OPERATING ACTIVITIES:
Other		$ 1,862	$ 2,736
Net cash provided by operating activities		75,994	118,745
CASH FLOWS PROVIDED BY (DISBURSED FOR) FINANCING ACTIVITIES:
Excess windfall tax benefit related to share-based payment awards		1,600
Net cash disbursed for financing activities		$ (104,250)	(101,714)
As Previously Reported
CASH FLOWS PROVIDED BY (DISBURSED FOR) OPERATING ACTIVITIES:
Other			(2,936)
Net cash provided by operating activities			120,707
CASH FLOWS PROVIDED BY (DISBURSED FOR) FINANCING ACTIVITIES:
Excess windfall tax benefit related to share-based payment awards			200
Net cash disbursed for financing activities			(101,514)
Post-Adoption
CASH FLOWS PROVIDED BY (DISBURSED FOR) OPERATING ACTIVITIES:
Other	[1]		(2,736)
Net cash provided by operating activities	[1]		118,745
CASH FLOWS PROVIDED BY (DISBURSED FOR) FINANCING ACTIVITIES:
Net cash disbursed for financing activities	[1]		$ (101,714)

[1] The Post-adoption column in the table above presents the amounts inclusive of the revisions discussed in Note 2, Financial Statement Revisions.