Quarterly report pursuant to Section 13 or 15(d)

Business Combination (Narrative) (Details)

v3.8.0.1
Business Combination (Narrative) (Details)
$ in Millions
6 Months Ended
Aug. 18, 2017
USD ($)
state
Nov. 30, 2017
USD ($)
Business Acquisition [Line Items]    
Goodwill acquired   $ 41.0
HR Outsourcing, Inc. [Member]    
Business Acquisition [Line Items]    
Effective acquisition date   Aug. 18, 2017
Purchase price $ 75.4  
Cash portion of purchase price 42.2  
Common stock issued portion of purchase price 33.2  
Goodwill acquired $ 41.0  
HR Outsourcing, Inc. [Member] | Minimum [Member]    
Business Acquisition [Line Items]    
Number of states in which HR Solutions services are provided | state 35