SEGMENT INFORMATION SEGMENT INFORMATION - RECONCILATION OF SEGMENT CONTRIBUTION TO OPERATING INCOME (LOSS) (Details) - USD ($)
$ in Thousands |
3 Months Ended |
Apr. 30, 2018 |
Apr. 30, 2017 |
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |
|
|
| Amortization of intangible assets |
$ 15,100
|
$ 21,100
|
| Stock-based compensation expense |
16,459
|
17,683
|
| Total Reconciling Items |
167,333
|
159,577
|
| Operating Income (Loss) |
7,782
|
(9,385)
|
| Segment Amount |
|
|
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |
|
|
| Operating Income (Loss) |
88,024
|
79,660
|
| Reconciling Items |
|
|
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |
|
|
| Segment Revenue Adjustments |
2,763
|
4,739
|
| Amortization of intangible assets |
15,110
|
21,071
|
| Stock-based compensation expense |
16,459
|
17,683
|
| Other Cost and Expense, Operating |
4,001
|
8,624
|
| Total Reconciling Items |
80,242
|
89,045
|
| Corporate, Non-Segment |
|
|
| Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |
|
|
| Shared Support Expenses |
$ 41,909
|
$ 36,928
|