Note 18 - Related Party Transaction  | 
3 Months Ended | 
|---|---|
Jan. 31, 2019  | |
| Notes to Financial Statements | |
| Related Party Transactions Disclosure [Text Block] | 
 Note  
1 
8 . Related Party Transaction 
Predecessor The Predecessor had a Management Services Agreement, as amended from time to time, with PGP Advisors, LLC (PGP), an affiliate of the Sponsor, to provide advisory, consulting and other professional services. Under terms of the agreement, the annual fee for these services were  
$4.0  million from  September  of 2017  through  August  of 2019,  and $2.0  million annually thereafter. For the period from  November 1, 2017  through  January 31, 2018  and  November 1, 2018  through  December 5, 2018  the Predecessor incurred $1.1  million and $0.0  million, respectively, related to this agreement and other agreed upon expenses, which is included in general and administrative expenses on the accompanying consolidated statements of income. In conjunction with the Business Combination, this agreement was terminated. | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  |