BUSINESS COMBINATIONS BUSINESS COMBINATIONS - YEAR ENDED JANAURY 31, 2016 - PURCHASE PRICE ALLOCATION (Details) - USD ($)
$ in Thousands |
3 Months Ended |
12 Months Ended |
Apr. 30, 2016 |
Jan. 31, 2016 |
| Business Acquisition [Line Items] |
|
|
| Goodwill |
$ 1,248,110
|
$ 1,207,176
|
| Individually Immaterial Business Acquisitions |
|
|
| Business Acquisition [Line Items] |
|
|
| Cash Paid at Closing |
|
33,222
|
| Business Combination, Consideration Transferred, Liabilities Incurred |
$ 7,700
|
16,237
|
| Business Combination, Consideration Transferred |
|
49,459
|
| Accounts receivable |
|
992
|
| Other current assets, including cash acquired |
|
4,274
|
| Other assets |
|
395
|
| Current and other liabilities |
|
(3,037)
|
| Deferred revenue - current and long-term |
|
1,872
|
| Deferred Income Taxes - Current and Long-Term |
|
2,922
|
| Net Tangible Assets Acquired |
|
(2,170)
|
| Identifiable intangible assets |
|
22,912
|
| Goodwill |
|
28,717
|
| Total purchase price allocations |
|
49,459
|
| Customer Relationships | Individually Immaterial Business Acquisitions |
|
|
| Business Acquisition [Line Items] |
|
|
| Identifiable intangible assets |
|
1,212
|
| Acquired Technology | Individually Immaterial Business Acquisitions |
|
|
| Business Acquisition [Line Items] |
|
|
| Identifiable intangible assets |
|
20,300
|
| Trademarks and Trade Names | Individually Immaterial Business Acquisitions |
|
|
| Business Acquisition [Line Items] |
|
|
| Identifiable intangible assets |
|
300
|
| In Process Research and Development | Individually Immaterial Business Acquisitions |
|
|
| Business Acquisition [Line Items] |
|
|
| Identifiable intangible assets |
|
$ 1,100
|