XML 44 R45.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Summary of Significant Accounting Policies:Vendor Rebates and Allowances (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]    
Vendor Rebates and Allowances $ 9.2 $ 9.7