Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Detail)

v2.4.0.8
Stock-Based Compensation - Additional Information (Detail) (USD $)
 9 Months Ended
Sep. 28, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options granted in period 900,118
Exercise price of options granted $ 162.55
Share based compensation vesting period 3 years
Restricted Stock
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share based compensation vesting period 4 years
Restricted stock units granted in period 80,000
Weighted Average
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair market value of Common Stock at the date the units were granted $ 162.56
Weighted Average | Restricted Stock
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair market value of Common Stock at the date the units were granted, per share $ 155.15
Performance-Based Restricted Stock Units
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock units granted in period 184,267
Award expiration period from grant date 3 years
Baseline profitability goal period 3 years
Percentage of targets award adjusted to actual number of shares earned 25.00%
Performance-Based Restricted Stock Units | Minimum
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares of common stock to be issued for each restricted stock unit granted 0
Performance-Based Restricted Stock Units | Maximum
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of shares of common stock to be issued for each restricted stock unit granted 2
Nonperformance-Based Restricted Stock Units
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Share based compensation vesting period 4 years
Restricted stock units granted in period 42,500
Number of shares of common stock to be issued for each restricted stock unit granted 1
Nonperformance-Based Restricted Stock Units | Weighted Average
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair market value of Common Stock at the date the units were granted, per share $ 156.35
Board of Directors
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock options granted period of time options become exercisable 1 year
Board of Directors | Nonperformance-Based Restricted Stock Units
  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock units granted in period 4,081
Award expiration period from grant date 1 year
Fair market value of Common Stock at the date the units were granted, per share $ 161.95