Basis of Presentation (Details)		9 Months Ended
	Nov. 30, 2015 $ / shares	Jan. 01, 2016 Segment
Entity Information [Line Items]
Cash dividend per common share (in dollars per share)	$ 10.50
Number of reportable segments | Segment		2
CSC
Entity Information [Line Items]
Cash dividend per common share (in dollars per share)	2.25
CSRA Inc
Entity Information [Line Items]
Cash dividend per common share (in dollars per share)	$ 8.25