XML 101 R90.htm IDEA: XBRL DOCUMENT v3.19.2
Loans to and Investments In Associated Companies (Linkem) (Narrative) (Details) - Linkem
$ in Millions
May 31, 2019
USD ($)
Investments In Associated Companies [Line Items]  
Equity method investment, ownership percentage 42.00%
Percentage of ownership upon conversion of note 54.00%
Equity method investment, voting percentage 48.00%
Shareholder loans principal outstanding $ 49.4
Shareholder loans interest rate 5.00%