XML 68 R47.htm IDEA: XBRL DOCUMENT v3.10.0.1
Credit Facility - Term Loan Maturities (Details) - USD ($)
$ in Millions
3 Months Ended
Jan. 31, 2018
Jul. 31, 2018
Debt Instrument [Line Items]    
Debt instrument, periodic payment, principal $ 20.0  
Term Loan    
Term Loan Maturities    
Debt maturities, 2019   $ 40.0
Debt maturities, 2020   60.0
Debt maturities, 2021   120.0
Debt maturities, 2022   $ 560.0