XML 62 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share - Schedule of Anti Dilutive Securities Excluded From Computation of Weighted Average Shares Outstanding (Detail) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2016
Mandatory Convertible Notes [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive securities 39 26 26
Convertible Notes [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of anti-dilutive securities     9