XML 69 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
Goodwill And Intangible Assets Intangible Assets Acquired (Details)
$ in Thousands
12 Months Ended
Apr. 30, 2017
USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 52,877
Weighted-Average Life (in years) 5 years
Reacquired franchise rights  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 12,681
Weighted-Average Life (in years) 5 years
Customer relationships  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 29,470
Weighted-Average Life (in years) 6 years
Computer Software, Intangible Asset [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 9,661
Weighted-Average Life (in years) 3 years
Noncompete agreements  
Acquired Finite-Lived Intangible Assets [Line Items]  
Amount $ 1,065
Weighted-Average Life (in years) 5 years