XML 70 R53.htm IDEA: XBRL DOCUMENT v3.19.1
Supplementary balance sheet information - Schedule of Current Held-for-Sale Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Dec. 31, 2018
Held-for-sale assets    
Held-for-sale assets $ 10.4 $ 10.7
Held-for-sale liabilities    
Held-for-sale liabilities 2.1 2.5
Held-for-sale    
Held-for-sale assets    
Property, plant and equipment 5.7 5.5
Inventory 2.3 2.9
Accounts and other receivables 2.4 2.3
Held-for-sale assets 10.4 10.7
Held-for-sale liabilities    
Accounts payable 2.1 2.5
Held-for-sale liabilities $ 2.1 $ 2.5