XML 51 R59.htm IDEA: XBRL DOCUMENT v3.19.3
Noncontrolling Interests (Narrative) (Details) - USD ($)
$ in Millions
1 Months Ended
Jan. 21, 2019
Jul. 19, 2017
Mar. 31, 2019
Sep. 30, 2019
Apr. 02, 2015
Robtec          
Business Acquisition [Line Items]          
Acquired ownership percentage       70.00%  
Easyway          
Business Acquisition [Line Items]          
Acquired ownership percentage 30.00% 5.00%   100.00% 65.00%
Value of voting rights acquired $ 13.5 $ 2.3      
Purchase of noncontrolling interest     $ 2.5