|
Business and Summary of Significant Accounting Policies - Stock Based Compensation Expense (Details) (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Jan. 31, 2014
|
Jan. 31, 2013
|
Jan. 31, 2012
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
$ 132.2 |
$ 156.3 |
$ 108.8 |
| Tax benefit |
(36.4) |
(35.5) |
(27.1) |
| Stock-based compensation expense related to stock awards and ESP Plan purchases, net |
95.8 |
120.8 |
81.7 |
|
Cost of license and other revenue
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
3.8 |
3.7 |
2.7 |
|
Cost of subscription
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
2.2 |
1.5 |
1.2 |
|
Marketing and sales
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
58.6 |
64.3 |
48.3 |
|
Research and development
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
43.7 |
61.8 |
38.1 |
|
General and administrative
|
|
|
|
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |
|
|
|
| Allocated stock-based compensation expense |
$ 23.9 |
$ 25.0 |
$ 18.5 |