Supplementary Data - Selected Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Oct. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The table below includes certain unaudited financial information for the last eight fiscal quarters. Refer to Note 2 of Notes to Consolidated Financial Statements for information on our fiscal year end.

	Quarter Ended
	January 31,		April 30,		July 31,		October 31,
	(in thousands, except per share data)
2015
Revenue	$	542,043	$	557,204	$	555,805	$	587,159
Gross margin	417,410		432,232		426,334		447,315
Income before provision for income taxes	76,615		83,884		65,193		55,918
Net income	65,189		55,596		55,387		49,762
Net income per share
Basic	$	0.42	$	0.36	$	0.36	$	0.32
Diluted	0.41		0.35		0.35		0.31
2014
Revenue	$	478,951	$	517,697	$	521,812	$	539,012
Gross margin	373,102		403,612		406,282		417,591
Income before provision for income taxes	71,184		68,059		70,771		62,128
Net income	67,696		63,317		65,656		62,455
Net income per share
Basic	$	0.44	$	0.41	$	0.42	$	0.40
Diluted	0.43		0.40		0.42		0.39