Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Summarized Information about Stock Options Outstanding and Exercisable (Detail)

v3.8.0.1
STOCK-BASED COMPENSATION - Summarized Information about Stock Options Outstanding and Exercisable (Detail)
shares in Thousands
 12 Months Ended
Dec. 31, 2017
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Shares | shares 1,291
Options Outstanding, Average Life (in years) 6 years 3 months 18 days
Options Outstanding, Average Exercise Price $ 91.58
Options Exercisable, Shares | shares 757
Options Exercisable Average, Exercise Price $ 83.28
Range 1  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit 50.01
Exercise Price Range, upper limit $ 70.00
Options Outstanding, Shares | shares 131
Options Outstanding, Average Life (in years) 1 year 10 months 20 days
Options Outstanding, Average Exercise Price $ 61.97
Options Exercisable, Shares | shares 131
Options Exercisable Average, Exercise Price $ 61.97
Range 2  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit 70.01
Exercise Price Range, upper limit $ 80.00
Options Outstanding, Shares | shares 223
Options Outstanding, Average Life (in years) 3 years 3 months 18 days
Options Outstanding, Average Exercise Price $ 75.12
Options Exercisable, Shares | shares 223
Options Exercisable Average, Exercise Price $ 75.12
Range 3  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit 80.01
Exercise Price Range, upper limit $ 90.00
Options Outstanding, Shares | shares 141
Options Outstanding, Average Life (in years) 5 years 2 months 1 day
Options Outstanding, Average Exercise Price $ 82.88
Options Exercisable, Shares | shares 127
Options Exercisable Average, Exercise Price $ 82.87
Range 4  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise Price Range, lower limit 90.01
Exercise Price Range, upper limit $ 100.00
Options Outstanding, Shares | shares 796
Options Outstanding, Average Life (in years) 8 years 25 days
Options Outstanding, Average Exercise Price $ 102.59
Options Exercisable, Shares | shares 276
Options Exercisable Average, Exercise Price $ 100.11