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Related Party Transactions - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2018
Disclosure Of Transactions Between Related Parties [Abstract] |
Related party transactions, description | Certain executive officers have entered into employment agreements with Precision that provide termination benefits of up to 24 months base salary plus up to two times targeted incentive compensation upon dismissal without cause.

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- Definition The explanation of the terms and conditions of outstanding balances for related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2017-01-01 -Paragraph 18 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2017-03-01&anchor=para_18_b_i&doctype=Standard -URIDate 2017-03-09 + Details
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