XML 25 R52.htm IDEA: XBRL DOCUMENT v3.2.0.727
Stock-Based Compensation - 2012 Stock Option Plan and 2012 Stock Incentive Plan - Additional Information (Detail) - Aug. 01, 2015 - 2012 Stock Option Plan and 2012 Stock Incentive Plan [Member] - USD ($)
$ / shares in Units, $ in Millions
Total
Total
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Numbers of options outstanding 6,925,446 6,925,446
Options outstanding, weighted-average exercise price per share $ 54.20 $ 54.20
Numbers of options vested   5,210,786
Vested weighted-average exercise price per share   $ 48.90
Aggregate intrinsic value of options outstanding $ 327.3 $ 327.3
Aggregate intrinsic value of options vested or expected to vest 321.2 321.2
Aggregate intrinsic value of options exercisable 273.9 $ 273.9
Weighted-average remaining contractual life of options exercisable   7 years 6 months 15 days
Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation expense related to unvested options 39.7 $ 39.7
Unrecognized compensation expense with weighted-average period   3 years 10 months 17 days
Restricted Stock And Restricted Stock Unit Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation expense related to unvested options $ 42.5 $ 42.5
Unrecognized compensation expense with weighted-average period   3 years 8 months 27 days
Restricted stock awards outstanding 819,362 819,362
Restricted stock awards outstanding with weighted-average grant date fair value per share   $ 70.88
Vested restricted stock awards 79,582 90,010
Vested weighted-average exercise price per share $ 67.75 $ 65.55