Related Party Information - Additional Information (Detail) (USD $)	3 Months Ended			0 Months Ended	3 Months Ended
	May 30, 2014	Feb. 28, 2014	May 31, 2013	Mar. 26, 2014 WHQ Development [Member] acre	May 30, 2014 WHQ Development [Member]
Related Party Transaction [Line Items]
Purchase price of land				$ 7,400,000
Area of land purchased				14.48
Purchase price of land per acre				510,000
Equity interest held by unconsolidated related party in development project owner				37.00%
Period of time the new facility will be ready for occupancy	2 years				2 years
Balance of asset to be offset	876,634,000	855,141,000	834,272,000		900,000
Offsetting liability					$ 900,000