Revenue	3 Months Ended
Apr. 30, 2020
Revenue From Contract With Customer [Abstract]
Revenue	Note 2. Revenue Contract Assets Contract assets, which are presented within accounts receivable, were not material as of April 30, 2020 and January 31, 2020. Deferred Revenue Deferred revenue was $368.3 million and $423.8 million as of April 30, 2020 and January 31, 2020, respectively. During the three months ended April 30, 2020 and 2019, we recognized $154.4 million and $134.4 million of revenue that was included in the deferred revenue balance as of January 31, 2020 and 2019, respectively. Transaction Price Allocated to the Remaining Performance Obligations As of April 30, 2020, we had remaining performance obligations for subscription contracts of $722.7 million. We expect to recognize 65% of these remaining performance obligations as revenue over the next 12 months, with the balance recognized thereafter. Disaggregation of Revenues For the three months ended April 30, 2020 and 2019, revenue attributable to customers in the United States was 73% and 76%, respectively. For the three months ended April 30, 2020, revenue attributable to customers in Japan was 13%. No country outside of the United States comprised 10% or greater of our revenue for the three months ended April 30, 2019.

Revenue

3 Months Ended

Apr. 30, 2020

Revenue From Contract With Customer [Abstract]

Note 2. Revenue

Contract Assets

Contract assets, which are presented within accounts receivable, were not material as of April 30, 2020 and January 31, 2020.

Deferred Revenue

Deferred revenue was $368.3 million and $423.8 million as of April 30, 2020 and January 31, 2020, respectively. During the three months ended April 30, 2020 and 2019, we recognized $154.4 million and $134.4 million of revenue that was included in the deferred revenue balance as of January 31, 2020 and 2019, respectively.

Transaction Price Allocated to the Remaining Performance Obligations

As of April 30, 2020, we had remaining performance obligations for subscription contracts of $722.7 million. We expect to recognize 65% of these remaining performance obligations as revenue over the next 12 months, with the balance recognized thereafter.

Disaggregation of Revenues

For the three months ended April 30, 2020 and 2019, revenue attributable to customers in the United States was 73% and 76%, respectively. For the three months ended April 30, 2020, revenue attributable to customers in Japan was 13%. No country outside of the United States comprised 10% or greater of our revenue for the three months ended April 30, 2019.