Acquisitions - Summary of Unaudited Pro Forma Information (Parenthetical) (Details) $ in Millions	Jul. 31, 2019 USD ($)
Business Acquisition Pro Forma Information [Abstract]
Non-recurring transaction costs	$ 7.0

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant