ENVIRONMENTAL REMEDIATION LIABILITIES - Additional Information (Detail)	6 Months Ended
Jun. 30, 2019
Commitments And Contingencies Disclosure [Abstract]
Environmental remediation liabilities, projection term	30 years

Environmental remediation liabilities projection term.

No definition available.

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Namespace Prefix:	srcl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration