XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.19.1

Stockholders' Equity (Tables) | 3 Months Ended
--- | ---
Apr. 30, 2019
Equity [Abstract] |
Stock option activity | Option activity for the three months ended April 30, 2019, was as follows:
(in thousands, except per share and years data) | Number of Options Outstanding |  | Weighted-Average Exercise Price Per Share |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value
Outstanding at January 31, 2 019 | 13,648 |  |  | $ | 12.27 |  |  | 5.38 |  | $ | 507,371 |
Options exercised | (2,634 | ) |  | 10.82 |  |  |  |  |
Options canceled/expired | (25 | ) |  | 17.69 |  |  |  |  |
Outstanding at April 30, 201 9 | 10,989 |  |  | $ | 12.61 |  |  | 5.41 |  | $ | 484,184 |
Vested and expected to vest at April 30, 2019 | 10,852 |  |  | $ | 12.55 |  |  | 5.38 |  | $ | 478,824 |
Exercisable at April 30, 2019 | 9,418 |  |  | $ | 11.77 |  |  | 5.05 |  | $ | 422,811 |
RSU activity | RSU activity for the three months ended April 30, 2019, was as follows:
(in thousands, except per share data) | Number of Units |  | Weighted-Average Grant Date Fair Value
Unvested at January 31, 2019 | 17,142 |  |  | $ | 34.56 |
Granted | 1,174 |  |  | 55.42 |
Vested | (2,468 | ) |  | 20.72 |
Canceled | (821 | ) |  | 37.23 |
Unvested at April 30, 2019 | 15,027 |  |  | $ | 38.32 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration