BENEFIT PLANS - Asset Allocation Targets and Actual Allocation of Pension Plan Assets (Detail)	12 Months Ended
	Feb. 28, 2015	Feb. 22, 2014
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	100.00%
Plan assets allocation, Total	100.00%	100.00%
Domestic equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	22.20%
Plan assets allocation, Total	22.40%	24.80%
International equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	11.10%
Plan assets allocation, Total	11.10%	11.30%
Private equity
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	6.60%
Plan assets allocation, Total	6.60%	6.20%
Common collective trusts—fixed income
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	47.50%
Plan assets allocation, Total	47.30%	48.10%
Real estate
Defined Benefit Plan Disclosure [Line Items]
Target allocation percentage of assets	12.60%
Plan assets allocation, Total	12.60%	9.60%