Accrued Expenses and Other Payables (Tables)

12 Months Ended

Aug. 31, 2011

Accrued Expenses and Other Payables [Abstract]

ACCRUED EXPENSES AND OTHER PAYABLES

	August 31,
(in thousands)	2011		2010
Salaries and incentive compensation	$	109,797	$	61,260
Advance billings on contracts		58,774		42,549
Taxes other than income taxes		26,873		35,252
Insurance		26,817		27,914
Contract losses		20,728		28,328