XML 154 R54.htm IDEA: XBRL DOCUMENT v3.20.1

Finance costs (Tables)

12 Months Ended

Dec. 31, 2019

Finance Costs [Abstract]

Schedule of finance costs

		2019			2018
Interest on long-term debt	$	63,136		$	73,039
Unwinding of discount on provisions [note 15]		20,789			23,681
Other charges		14,697			15,059
Total	$	98,622		$	111,779

X

- Definition

The disclosure of finance costs breakdown.

+ References

No definition available.

+ Details

Name:	ccj_DisclosureOfFinanceCostsDetailsExplanatoryTableTextBlock
Namespace Prefix:	ccj_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ccj_FinanceCostsAbstract
Namespace Prefix:	ccj_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration