Parent Company Condensed Statements of Cash Flows (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net cash provided by operating activities	$ 287,273	$ 291,786	$ 192,339
CASH FLOWS FROM INVESTING ACTIVITIES:
Net cash provided by investing activities	(836)	(109,292)	(57,443)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of common stock dividends	(73,925)	(80,329)	(52,843)
Purchase of common stock	(300,250)	(738,557)	(82,407)
Other		(438)
Net cash used in financing activities	(375,792)	(80,936)	(118,898)
CHANGE IN CASH AND CASH EQUIVALENTS	(90,634)	102,594	16,472
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD	133,449	30,855	14,383
CASH AND CASH EQUIVALENTS, AT END OF PERIOD	42,815	133,449	30,855
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Net cash provided by operating activities	281,731	226,912	134,149
CASH FLOWS FROM INVESTING ACTIVITIES:
Dividends from subsidiaries	82,856	594,591
Net cash provided by investing activities	82,856	594,591
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of common stock dividends	(73,925)	(80,329)	(52,843)
Purchase of common stock	(300,250)	(738,557)	(82,407)
Other	9,588	(2,617)	1,101
Net cash used in financing activities	(364,587)	(821,503)	(134,149)
CHANGE IN CASH AND CASH EQUIVALENTS	0	0	0
CASH AND CASH EQUIVALENTS, AT BEGINNING OF PERIOD	6	6	6
CASH AND CASH EQUIVALENTS, AT END OF PERIOD	$ 6	$ 6	$ 6