XML 92 R73.htm IDEA: XBRL DOCUMENT v3.3.1.900
Capital Stock - Summary of RSU Activity Outstanding and Weighted Average Grant Date Fair Value (Detail) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Number of Restricted Stock Units Outstanding, Unvested - Beginning Balance 2,279,081 1,044,651  
Number of Restricted Stock Units Outstanding, Granted 911,734 1,368,761  
Number of Restricted Stock Units Outstanding, Granted, performance RSUs 249,220 131,143  
Number of Restricted Stock Units Outstanding, PRSUs assumed in acquisitions   198,825  
Number of Restricted Stock Units Outstanding, Released (898,205) (238,446)  
Number of Restricted Stock Units Outstanding, Cancelled or expired (643,805) (225,853)  
Number of Restricted Stock Units Outstanding, Unvested - Ending balance 1,898,025 2,279,081 1,044,651
Weighted-Average Grant Date Fair Value, Unvested $ 49.53 $ 39.07 $ 31.64
Weighted-Average Grant Date Fair Value, Granted 53.02 41.66  
Weighted-Average Grant Date Fair Value, Granted, performance RSUs 42.58 31.42  
Weighted-Average Grant Date Fair Value, PRSUs assumed in acquisitions   61.14  
Weighted-Average Grant Date Fair Value, Released 34.97 34.84  
Weighted-Average Grant Date Fair Value, Cancelled or expired $ 35.09 $ 39.83