Note 13. Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	9 Months Ended
Aug. 19, 2011	Aug. 31, 2010	Feb. 29, 2012	Feb. 28, 2011 Predecessor [Member]	Feb. 29, 2012 Successor [Member]	May 31, 2012 Successor [Member]
Effective Income Tax Rate, Continuing Operations	(72.60%)	33.80%		33.10%	39.50%	38.50%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate			35.00%
Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets (in Dollars)	$ 290.8
Deferred Tax Liabilities (in Dollars)			$ 238.9

The cumulative amount of all deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. A taxable temporary difference is a difference between the tax basis and the carrying amount of an asset or liability in the financial statements prepared in accordance with generally accepted accounting principles that will result in taxable amounts in one or more future periods.

+ References+ Details

The cumulative amount of the estimated future tax effects attributable to the difference between the tax basis of intangible assets and the basis of intangible assets computed in accordance with generally accepted accounting principles. The difference in basis, whether due to amortization or other reasons, will increase future taxable income when such difference reverses. Intangible assets include, but are not limited to, assets such as patents, trademarks and customer lists.

+ References+ Details

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details

- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References+ Details