Stock-Based Compensation Expense - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 30, 2014 group	Mar. 31, 2013	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.00%	0.00%
Weighted-average grant-date fair values of stock options granted, in dollars per share	$ 15.34	$ 8.07
Number of groups within the employee population	2
Percentage of stock options granted to senior management expected to vest	72.00%
Percentage of stock options granted to all other employees expected to vest	70.00%
Estimated forfeiture rate for unvested options for senior management	11.00%
Estimated forfeiture rate for unvested options for all non-senior management	12.00%
Reduction in compensation expense due to revised estimated forfeiture rates	$ 288,000	$ 300,000
Stock-based compensation expense	4,004,000	3,298,000
Income tax benefit recognized related to stock-based compensation expense	1,306,000	1,094,000
Compensation expense was capitalized	0		0
Total intrinsic values of stock options exercised	8,933,000	7,193,000
Total fair values of stock options vest	8,361,000	6,932,000
Share-based compensation expense not yet recognized	$ 19,791,000
Share-based compensation expense not yet recognized, period for recognition	1 year 7 months 6 days
General Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans	4 years
Stock Option and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period for stock option plans	4 years
Expiration period of stock option plan	10 years
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for grant under stock option plans	10,024,230
Expiration period of stock option plan	10 years
2015 Through Expected Life of Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.56%