Capital Stock - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of outstanding shares owned by controlling family	26.00%
Shares authorized of undesignated capital stock for future issuance	50,000,000
Cash dividend, per share		$ 1.50
Dividends paid		$ 54,716,000
Authorized number of common stock shares for grant	2,000,000
Date of plan approval	May 20, 2009
Maximum grant period from date of plan approval	10 years
Shares available for grant under the plan	1,724,826
Compensation cost related to restricted stock	881,000	803,000	426,000
Unrecognized compensation cost related to stock options	100,000
Unrecognized compensation cost related to stock options, weighted-average period	1 year 7 months 6 days
Tax benefit generated from compensation cost and credited to additional paid in capital	300,000	300,000
Compensation cost charged against income for stock options	79,000	204,000	194,000
Capitalized cost	0	0	0
Percentage of forfeiture assumption in calculation of compensation cost	5.40%	5.40%	5.40%
Intrinsic value of stock options exercised	3,300,000
Cash received from option exercises under the plan	551,000	1,606,000	629,000
Tax benefit generated from option exercises	800,000	2,400,000
Shares available to purchase under Employee Stock Purchase Plan			1,200,000
Options exercised	96,500	438,800	298,100
Total 401(K) expense	1,900,000	2,000,000	1,600,000
Common stock, shares held by 401(K) plan	422,968
Repurchase and cancellation of shares	78,580	70,208
Common stock repurchased, average price	$ 44.39	$ 27.68
Share repurchase program shares authorized to be repurchased	10,000,000
Shares repurchased under share repurchase program	0
Authorized date of repurchase of outstanding common stock	Dec. 12, 2013
Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant-date fair value of options granted		$ 11.05
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of annual compensation permitted to purchase			4.00%
Option price percentage of fair market value			85.00%
Employee Stock Purchase Plan, minimum purchase price			$ 12.68
Employee Stock Purchase Plan, maximum purchase price			$ 16.38
Proceeds from stock sales of Employee Stock Purchase Plan			28,600
Options exercised			1,984
Cash Dividend [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash dividend, Announcement date		Dec. 05, 2012
Cash dividend, Payable date		Dec. 28, 2012
Cash dividend, Record date		Dec. 17, 2012
Restricted stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to stock options	$ 2,100,000
Unrecognized compensation cost related to stock options, weighted-average period	2 years 9 months 18 days