Intangible assets and goodwill (Narrative) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Apr. 30, 2019 |
Apr. 30, 2018 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Capitalized software development costs | $ 3,700,000 | $ 2,100,000 |
| Software development costs incurred and expensed | 3,900,000 | 3,200,000 |
| Amortization expense | 3,900,000 | 3,700,000 |
| Change in goodwill | $ 0 | $ 0 |
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Additions made to capitalized computer software costs during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Research and development expense during the period related to the costs of developing and achieving technological feasibility of a computer software product to be sold, leased, or otherwise marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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