Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Total revenue	$ 259,881	$ 274,776
Cost of revenue (excluding below amortization of intangible assets)
Total cost of revenue	71,865	74,494
Gross profit	188,016	200,282
Operating expenses:
Sales, marketing and administrative	130,231	145,076
Research and development	18,257	17,575
Amortization of intangible assets	12,649	13,625
Business transition costs	(1,440)	3,833
Total operating expenses	159,697	180,109
Interest and other expense, net:
Interest income	731	409
Interest expense	(11,517)	(9,513)
Other (expense) income, net	(7,408)	(366)
Total interest and other expense, net	(18,194)	(9,470)
Income before income taxes	10,125	10,703
Income tax expense	(4,827)	(1,317)
Consolidated net income	$ 5,298	$ 9,386
Net income per share:
Basic	$ 0.10	$ 0.18
Diluted	$ 0.10	$ 0.18
Weighted average shares outstanding:
Basic	51,837	51,675
Diluted	53,727	52,480
Product [Member]
Revenue
Total revenue	$ 234,687	$ 243,823
Cost of revenue (excluding below amortization of intangible assets)
Total cost of revenue	51,645	54,486
Service [Member]
Revenue
Total revenue	25,194	30,953
Cost of revenue (excluding below amortization of intangible assets)
Total cost of revenue	$ 20,220	$ 20,008