Parent Company Condensed Statements of Income and Comprehensive Income (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Total revenues	$ 4,939,994	$ 4,706,416	$ 4,479,358
INCOME FROM OPERATIONS	953,974	878,999	819,519
INCOME BEFORE PROVISION FOR INCOME TAXES	770,338	722,215	652,440
PROVISION FOR INCOME TAXES	$ 168,634	$ 138,045	$ 133,322
Provision for income taxes, Percentage	21.90%	19.10%	20.40%
PROVISION FOR INCOME TAXES, PERCENTAGE	21.90%	19.10%	20.40%
NET INCOME	$ 601,704	$ 584,170	$ 519,118
COMPREHENSIVE INCOME	$ 604,370	$ 580,605	$ 519,945
EARNINGS PER SHARE:
Common Stock - basic	$ 17.69	$ 16.83	$ 14.8
Common Stock - diluted	$ 17.57	$ 16.69	$ 14.66
Parent Company [Member]
REVENUES	$ 0	$ 0	$ 0
Total revenues	0	0	0
OPERATING EXPENSES	0	0	0
Total operating expenses	0	0	0
INCOME FROM OPERATIONS	0	0	0
Equity earnings in subsidiaries	601,704	584,170	519,118
INCOME BEFORE PROVISION FOR INCOME TAXES	601,704	584,170	519,118
PROVISION FOR INCOME TAXES	$ 0	$ 0	$ 0
Provision for income taxes, Percentage
PROVISION FOR INCOME TAXES, PERCENTAGE
NET INCOME	$ 601,704	$ 584,170	$ 519,118
COMPREHENSIVE INCOME	$ 604,370	$ 580,605	$ 519,945
EARNINGS PER SHARE:
Common Stock - basic	$ 17.69	$ 16.83	$ 14.8
Common Stock - diluted	$ 17.57	$ 16.69	$ 14.66