Recent Accounting Standards (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Changes And Error Corrections [Abstract]

Summary of Line Items Adjusted in Consolidated Financial Statements

The following line items as of December 31, 2017 and for the three months ended March 31, 2017 have been adjusted in the Consolidated Financial Statements to reflect the adoption of ASU 2014-09:

	December 31, 2017
Consolidated Balance Sheet	As Reported (audited)			Effect of the Adoption of ASU 2014-09 (unaudited)			As Adjusted (unaudited)
Accounts receivable, net	$	69,500		$	95,864		$	165,364
Prepaid expenses and other current assets		18,002			1,178			19,180
Deposits and other assets		2,868			4,543			7,411
Deferred tax assets, net		13,391			(4,094	)		9,297
Deferred revenue and advance payments		112,649			86,085			198,734
Deferred revenue and advance payments, non-current		10,181			(3,781	)		6,400
Accumulated other comprehensive loss		(5,968	)		309			(5,659	)
Retained earnings		511,755			14,878			526,633

	Three Months Ended March 31, 2017
Consolidated Statement of Operations:	As Reported (unaudited)		Effect of the Adoption of ASU 2014-09 (unaudited)		As Adjusted (unaudited)
Product licenses revenue	$	21,012	$	1,634	$	22,646
Product support revenues		70,490		22		70,512
Sales and marketing expenses		39,410		172		39,582
Provision for income taxes		3,465		794		4,259
Net income		14,867		690		15,557
Diluted earnings per share		1.28		0.06		1.34

	Three Months Ended March 31, 2017
Consolidated Statement of Comprehensive Income:	As Reported (unaudited)		Effect of the Adoption of ASU 2014-09 (unaudited)		As Adjusted (unaudited)
Net income	$	14,867	$	690	$	15,557
Foreign currency translation adjustment		812		236		1,048
Comprehensive income		15,649		926		16,575

	Three Months Ended March 31, 2017
Consolidated Statement of Cash Flows:	As Reported (unaudited)			Effect of the Adoption of ASU 2014-09 (unaudited)			As Adjusted (unaudited)
Net income	$	14,867		$	690		$	15,557
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		3,818			673			4,491
Deferred taxes		(1,812	)		844			(968	)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets		(58	)		(212	)		(270	)
Deposits and other assets		75			23			98
Accrued compensation and employee benefits		(10,795	)		(501	)		(11,296	)
Deferred revenue and advance payments		23,811			(1,517	)		22,294