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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. 29, 2014
Nov. 30, 2013
Nov. 29, 2014
Nov. 30, 2013
Earnings Per Share [Abstract]        
Antidilutive shares excluded from computation of diluted earnings per share (in shares) 0.7us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1.0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.6us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1.2us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount