Document and Entity Information	6 Months Ended
	Sep. 30, 2013	Oct. 31, 2013
Document and Entity Information
Entity Registrant Name	CONSOLIDATED GRAPHICS INC /TX/
Entity Central Index Key	0000921500
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		9,687,642
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2