Fair Value - Additional Information (Detail) $ in Millions	Feb. 28, 2019 USD ($)
Minimum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Potential amount of undiscounted future contingent consideration	$ 31.2
Maximum
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Potential amount of undiscounted future contingent consideration	$ 41.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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