XML 37 R24.htm IDEA: XBRL DOCUMENT

Restructuring and Other Termination Costs	3 Months Ended
Restructuring and Other Termination Costs	Mar. 31, 2019
Restructuring and Related Activities [Abstract]
Restructuring and Other Termination Costs	Restructuring and Other Termination Costs On January 30, 2018, we underwent a reduction in workforce impacting approximately 13% of employees across all functions, primarily on our Oklahoma City campus. In connection with the reduction, we incurred a total charge in the Prior Quarter of approximately $38 million for one-time termination benefits.