Subsequent Events (Notes)

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Subsequent Events [Text Block]

13. Subsequent Event

On October 17, 2019, the Company acquired all of the membership interests of Intersys Consulting, LLC ("Intersys Consulting"), headquartered in Austin, Texas, for $67.0 million in cash. The acquisition expands the Company's capabilities in digital innovation and enterprise solutions. The results of operations of Intersys Consulting will be included in the Apex Segment from the date of its acquisition.