Long-Term Leases and Commitments - Aggregate Future Minimum Noncancelable Leases, Net of Aggregate Future Minimum Noncancelable Sublease Rentals (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013
Gross rentals:
2014	$ 52,349
2015	48,736
2016	44,056
2017	39,303
2018	32,187
Later years	75,361
Total	291,992
Sublease rentals	(11,812)
Net rentals	$ 280,180

Long-Term Leases and Commitments - Aggregate Future Minimum Noncancelable Leases, Net of Aggregate Future Minimum Noncancelable Sublease Rentals (Detail) (USD $)
In Thousands, unless otherwise specified

Feb. 28, 2013

Gross rentals:

$ 52,349

48,736

44,056

39,303

32,187

75,361

291,992

(11,812)

$ 280,180

Operating leases future minimum payments due net.

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Contractually required future rental payments receivable on noncancelable subleasing arrangements.

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