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Amounts Receivable
12 Months Ended
Dec. 31, 2017
Subclassifications of assets, liabilities and equities [abstract]  
Amounts Receivable
6.
AMOUNTS RECEIVABLE
 
December 31, 2017
December 31, 2016
Sales tax receivables


 
Canada
$6.4

$2.3

Mexico
20.0

36.2

Other
0.9

0.5

Concentrate receivable
3.2

2.2

Other receivables
4.0

3.7

 
$34.5

$44.9


Sales tax receivables are mainly related to value-added taxes at the Company's Mexican and Canadian operations. The Company expects that these receivables will be collected within the next year.