XML 21 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
Reconciliation of Numerators and Denominators used in Computing Earnings Per Share (Parenthetical) (Detail)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Nov. 30, 2013
Nov. 30, 2013
Dec. 01, 2012
Earnings Per Share [Abstract]      
Antidilutive shares excluded from computation of diluted earnings per share 1.0 1.2 0.8