Quarterly report pursuant to Section 13 or 15(d)

Schedule of Assumption Used and Resulting Weighted Average Fair Value of Stock Option Granted (Detail)

v2.4.0.8
Schedule of Assumption Used and Resulting Weighted Average Fair Value of Stock Option Granted (Detail) (USD $)
3 Months Ended
Mar. 29, 2014
Share Based Payment Award Stock Options Valuation Assumptions [Line Items]  
Expected volatility, minimum 23.00%
Expected volatility, maximum 29.00%
Weighted average expected volatility 26.00%
Dividend yield 2.10%
Risk-free interest rate, minimum 0.10%
Risk-free interest rate, maximum 2.70%
Weighted average fair value at date of grant $ 12.00
Minimum
 
Share Based Payment Award Stock Options Valuation Assumptions [Line Items]  
Expected term 5 years 6 months
Maximum
 
Share Based Payment Award Stock Options Valuation Assumptions [Line Items]  
Expected term 7 years 3 months 18 days