Vesting Time-Based Restricted Stock Units (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 15, 2023	Jul. 16, 2022	Jul. 15, 2023	Jul. 16, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting	$ 282	$ 40	$ 2,780	$ 2,260
Fiscal Year Vested 2023 | 2022 Award Granted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting			58
Income tax benefit/(expense) related to share-based payments			20
Fair Value at Vesting			1,949
Fiscal Year Vested 2023 | 2021 Award Granted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting			133
Income tax benefit/(expense) related to share-based payments			118
Fair Value at Vesting			2,232
Fiscal Year Vested 2023 | 2020 Award Granted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting			153
Income tax benefit/(expense) related to share-based payments			108
Fair Value at Vesting			1,782
Fiscal Year Vested 2023 | 2019 Award Granted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting			142
Income tax benefit/(expense) related to share-based payments			32
Fair Value at Vesting			1,127
Fiscal Year Vested 2023 | 2020 Award Granted
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends at Vesting			2,154
Fair Value at Vesting			$ 24,652