Exhibit 12.1

STATEMENTS REGARDING COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

	Fiscal Year Ended August 31,										Three Months Ended November 30,
	2003		2004		2005		2006		2007		2006		2007
Pretax income from continuing operations, as reported	$	45,117	$	38,825	$	105,708	$	125,849	$	151,690	$	36,471	$	42,570
Adjustments:
Fixed charges		22,249		14,597		18,352		28,016		35,622		7,398		10,185
Pretax income from continuing operations, as adjusted		67,366		53,422		124,060		153,865		187,312		43,869		52,755
Fixed charges:
Interest expense, net		21,430		13,559		16,927		26,146		33,001		6,841		9,300
Interest income		145		89		172		347		746		119		369
Interest component of rent expense (estimated at 7.25%)		674		928		1,253		1,523		1,875		438		516
		22,249		14,597		18,352		28,016		35,622		7,398		10,185
Earnings to fixed charges ratio		3.0		3.7		6.8		5.5		5.3		5.9		5.2