Business Combinations (Narrative) (Details) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||
---|---|---|---|---|---|---|
Aug. 01, 2018
USD ($)
|
Jul. 31, 2018
USD ($)
acquistion
|
Jan. 31, 2018
USD ($)
|
Jan. 31, 2019
USD ($)
|
Jan. 31, 2018
USD ($)
|
Jan. 31, 2017
USD ($)
acquistion
|
|
Business Acquisition [Line Items] | ||||||
Number of businesses acquired | acquistion | 2 | 2 | ||||
Increase in goodwill | $ 16,000 | $ 1,000 | ||||
Business combinations, net of cash acquired | $ 1,474,337 | $ 5,744 | $ 147,879 | |||
Adaptive Insights | ||||||
Business Acquisition [Line Items] | ||||||
Consideration paid for acquisition | $ 1,490,917 | |||||
Estimated useful life | 7 years 7 months 4 days | |||||
Acquisition related costs | 25,000 | |||||
Transaction costs | $ 67,000 | |||||
Customer relationships | Adaptive Insights | ||||||
Business Acquisition [Line Items] | ||||||
Estimated useful life | 9 years 8 months 12 days | |||||
Developed technology | ||||||
Business Acquisition [Line Items] | ||||||
Increase in intangible assets | $ 12,000 | $ 5,000 |