Stock-Based Compensation Expense (Detail)	3 Months Ended
	Apr. 03, 2016 USD ($) group $ / shares shares	Apr. 05, 2015 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.84%	1.25%
Groups within the employee population | group	2
Percentage of stock options granted to senior management expected to vest	77.00%
Percentage of stock options granted to all other employees expected to vest	72.00%
Estimated annual forfeiture rate for unvested options for senior management	9.00%
Estimated annual forfeiture rate for unvested options for all other employees	11.00%
Increase (decrease) to compensation expense	$ 334,000	$ 461,000
Weighted-average grant-date fair values, in dollars per share | $ / shares	$ 12.25	$ 14.34
Total intrinsic value	$ 3,724,000	$ 16,740,000
Total fair values of stock options vest	15,337,000	13,523,000
Unrecognized compensation expense	$ 30,326,000
Weighted average period to be recognized	2 years 1 month 2 days
Stock-based compensation expense	$ 6,804,000	6,946,000
Tax benefit from compensation expense	2,228,000	$ 2,337,000
Recognized period costs capitalized	$ 0
Vesting period, performance-based restricted stock, years	1 year
Vesting period, time-based restricted stock, years	3 years
General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans	4 years
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under stock option plans | shares	8,224,951
Expiration period from grant day	10 years