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Acquisitions - Schedule of Supplemental Pro Forma Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 29, 2017
Polaris Alpha
Business Acquisition [Line Items]
Pro forma Revenue		$ 3,713,804	$ 3,361,626
Pro forma Net Income including noncontrolling interest		225,861	$ 58,356
OGSystems
Business Acquisition [Line Items]
Pro forma Revenue	$ 3,956,767	3,676,894
Pro forma Net Income including noncontrolling interest	134,046	205,961
QRC Technologies
Business Acquisition [Line Items]
Pro forma Revenue	3,976,361	3,596,920
Pro forma Net Income	$ 138,692	$ 221,930

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- Definition

Business acquisition, pro forma net income (loss), including portion attributable to noncontrolling interest.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
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-Name Accounting Standards Codification
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