Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019
Revenue:
Total revenue	$ 109,699	$ 106,716	$ 319,765	$ 296,260
Costs of revenue:
Total costs of revenue	14,738	20,825	43,883	54,475
Amortization of acquired intangibles	1,664	7,458	4,974	18,997
Gross profit	94,961	85,891	275,882	241,785
Operating expenses:
Sales and marketing	22,186	25,177	68,100	72,332
Product development	20,676	23,126	64,117	64,704
General and administrative	13,514	13,506	38,702	38,445
Amortization of acquired intangibles	4,176	7,068	12,484	14,841
Restructuring expenses	91	801	1,826	3,993
Acquisition-related expenses	1,125	253	1,439	1,360
Total operating expenses	61,768	69,931	186,668	195,675
Income from operations	33,193	15,960	89,214	46,110
Other (expense) income:
Interest expense	(2,302)	(3,321)	(7,692)	(6,920)
Interest income and other, net	110	377	443	950
Foreign currency loss, net	(770)	(774)	(1,957)	(2,068)
Total other expense, net	(2,962)	(3,718)	(9,206)	(8,038)
Income before income taxes	30,231	12,242	80,008	38,072
Provision (benefit) for income taxes	6,254	(1,315)	17,947	6,932
Net income	$ 23,977	$ 13,557	$ 62,061	$ 31,140
Earnings per share:
Basic (in dollars per share)	$ 0.53	$ 0.30	$ 1.38	$ 0.70
Diluted (in dollars per share)	$ 0.53	$ 0.30	$ 1.37	$ 0.69
Weighted average shares outstanding:
Basic (in shares)	45,036	44,716	44,941	44,761
Diluted (in shares)	45,364	45,303	45,382	45,292
Cash dividends declared per common share (in dollars per share)	$ 0.165	$ 0.155	$ 0.495	$ 0.465
Software licenses
Revenue:
Total revenue	$ 27,514	$ 30,686	$ 77,806	$ 83,216
Costs of revenue:
Total costs of revenue	1,103	1,204	3,302	3,296
Maintenance and services
Revenue:
Total revenue	82,185	76,030	241,959	213,044
Costs of revenue:
Total costs of revenue	$ 11,971	$ 12,163	$ 35,607	$ 32,182