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Acquisition	12 Months Ended
Acquisition	Dec. 31, 2020
Business Combinations [Abstract]
Acquisition	Acquisition On February 1, 2019, the Company completed the acquisition of all issued and outstanding shares of Scalar Decisions Inc. ("Scalar"), a leading technology solutions provider in Canada, for a total final purchase price of $88 million, of which $13 million is deferred to satisfy potential indemnity obligations and is expected to be paid in the first quarter of 2021. The purchase price allocation is final.