Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

											Nine Months Ended
	Fiscal Year Ended October 31,										July 31,
	2000		2001		2002		2003		2004		2004		2005
	(In thousands, except ratios)
Earnings:
Income before provision for income taxes	$	51,862	$	45,412	$	59,986	$	90,067	$	121,992	$	85,350	$	108,113
Add:
Interest expense		6,435		10,873		8,640		8,267		6,390		4,563		10,548
Interest attributable to rentals		517		856		1,155		1,922		2,443		1,833		2,828
Total earnings		58,814		57,141		69,781		100,256		130,825		91,746		121,489
Fixed Charges:
Interest expense		6,435		10,873		8,640		8,267		6,390		4,563		10,548
Interest attributable to rentals		517		856		1,155		1,922		2,443		1,833		2,828
Total fixed charges		6,952		11,729		9,795		10,189		8,833		6,396		13,376
Ratio		8.5		4.9		7.1		9.8		14.8		14.3		9.1