Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information (Details Textual)

v2.4.1.9
Business Segment Information (Details Textual)
9 Months Ended
Nov. 30, 2014
segment
division
Segment Reporting [Abstract]  
Number of business divisions 2stz_NumberOfBusinessDivisions1
Number of reportable operating segments 3us-gaap_NumberOfReportableSegments